/*- * Copyright (c) 1999-2002, 2007-2011 Robert N. M. Watson * Copyright (c) 2001-2005 Networks Associates Technology, Inc. * Copyright (c) 2005-2006 SPARTA, Inc. * Copyright (c) 2008 Apple Inc. * All rights reserved. * * This software was developed by Robert Watson for the TrustedBSD Project. * * This software was developed for the FreeBSD Project in part by 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"). * * This software was developed at the University of Cambridge Computer * Laboratory with support from a grant from Google, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Kernel interface for MAC policy modules. */ #ifndef _SECURITY_MAC_MAC_POLICY_H_ #define _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 /* XXX acl_type_t */ #include /* XXX accmode_t */ struct acl; struct auditinfo; struct auditinfo_addr; struct bpf_d; struct cdev; struct componentname; struct devfs_dirent; struct ifnet; struct image_params; struct inpcb; struct ip6q; 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 shmfd; struct shmid_kernel; struct sockaddr; struct socket; struct sysctl_oid; struct sysctl_req; struct thread; struct ucred; 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); /* * Operations sorted alphabetically by primary object type and then method. */ typedef int (*mpo_bpfdesc_check_receive_t)(struct bpf_d *d, struct label *dlabel, struct ifnet *ifp, struct label *ifplabel); typedef void (*mpo_bpfdesc_create_t)(struct ucred *cred, struct bpf_d *d, struct label *dlabel); typedef void (*mpo_bpfdesc_create_mbuf_t)(struct bpf_d *d, struct label *dlabel, struct mbuf *m, struct label *mlabel); typedef void (*mpo_bpfdesc_destroy_label_t)(struct label *label); typedef void (*mpo_bpfdesc_init_label_t)(struct label *label); typedef void (*mpo_cred_associate_nfsd_t)(struct ucred *cred); typedef int (*mpo_cred_check_relabel_t)(struct ucred *cred, struct label *newlabel); typedef int (*mpo_cred_check_setaudit_t)(struct ucred *cred, struct auditinfo *ai); typedef int (*mpo_cred_check_setaudit_addr_t)(struct ucred *cred, struct auditinfo_addr *aia); typedef int (*mpo_cred_check_setauid_t)(struct ucred *cred, uid_t auid); typedef int (*mpo_cred_check_setegid_t)(struct ucred *cred, gid_t egid); typedef int (*mpo_cred_check_seteuid_t)(struct ucred *cred, uid_t euid); typedef int (*mpo_cred_check_setgid_t)(struct ucred *cred, gid_t gid); typedef int (*mpo_cred_check_setgroups_t)(struct ucred *cred, int ngroups, gid_t *gidset); typedef int (*mpo_cred_check_setregid_t)(struct ucred *cred, gid_t rgid, gid_t egid); typedef int (*mpo_cred_check_setresgid_t)(struct ucred *cred, gid_t rgid, gid_t egid, gid_t sgid); typedef int (*mpo_cred_check_setresuid_t)(struct ucred *cred, uid_t ruid, uid_t euid, uid_t suid); typedef int (*mpo_cred_check_setreuid_t)(struct ucred *cred, uid_t ruid, uid_t euid); typedef int (*mpo_cred_check_setuid_t)(struct ucred *cred, uid_t uid); typedef int (*mpo_cred_check_visible_t)(struct ucred *cr1, struct ucred *cr2); typedef void (*mpo_cred_copy_label_t)(struct label *src, struct label *dest); typedef void (*mpo_cred_create_init_t)(struct ucred *cred); typedef void (*mpo_cred_create_swapper_t)(struct ucred *cred); typedef void (*mpo_cred_destroy_label_t)(struct label *label); typedef int (*mpo_cred_externalize_label_t)(struct label *label, char *element_name, struct sbuf *sb, int *claimed); typedef void (*mpo_cred_init_label_t)(struct label *label); typedef int (*mpo_cred_internalize_label_t)(struct label *label, char *element_name, char *element_data, int *claimed); typedef void (*mpo_cred_relabel_t)(struct ucred *cred, struct label *newlabel); typedef void (*mpo_devfs_create_device_t)(struct ucred *cred, struct mount *mp, struct cdev *dev, struct devfs_dirent *de, struct label *delabel); typedef void (*mpo_devfs_create_directory_t)(struct mount *mp, char *dirname, int dirnamelen, struct devfs_dirent *de, struct label *delabel); typedef void (*mpo_devfs_create_symlink_t)(struct ucred *cred, struct mount *mp, struct devfs_dirent *dd, struct label *ddlabel, struct devfs_dirent *de, struct label *delabel); typedef void (*mpo_devfs_destroy_label_t)(struct label *label); typedef void (*mpo_devfs_init_label_t)(struct label *label); typedef void (*mpo_devfs_update_t)(struct mount *mp, struct devfs_dirent *de, struct label *delabel, struct vnode *vp, struct label *vplabel); typedef void (*mpo_devfs_vnode_associate_t)(struct mount *mp, struct label *mplabel, struct devfs_dirent *de, struct label *delabel, struct vnode *vp, struct label *vplabel); typedef int (*mpo_ifnet_check_relabel_t)(struct ucred *cred, struct ifnet *ifp, struct label *ifplabel, struct label *newlabel); typedef int (*mpo_ifnet_check_transmit_t)(struct ifnet *ifp, struct label *ifplabel, struct mbuf *m, struct label *mlabel); typedef void (*mpo_ifnet_copy_label_t)(struct label *src, struct label *dest); typedef void (*mpo_ifnet_create_t)(struct ifnet *ifp, struct label *ifplabel); typedef void (*mpo_ifnet_create_mbuf_t)(struct ifnet *ifp, struct label *ifplabel, struct mbuf *m, struct label *mlabel); typedef void (*mpo_ifnet_destroy_label_t)(struct label *label); typedef int (*mpo_ifnet_externalize_label_t)(struct label *label, char *element_name, struct sbuf *sb, int *claimed); typedef void (*mpo_ifnet_init_label_t)(struct label *label); typedef int (*mpo_ifnet_internalize_label_t)(struct label *label, char *element_name, char *element_data, int *claimed); typedef void (*mpo_ifnet_relabel_t)(struct ucred *cred, struct ifnet *ifp, struct label *ifplabel, struct label *newlabel); typedef int (*mpo_inpcb_check_deliver_t)(struct inpcb *inp, struct label *inplabel, struct mbuf *m, struct label *mlabel); typedef int (*mpo_inpcb_check_visible_t)(struct ucred *cred, struct inpcb *inp, struct label *inplabel); typedef void (*mpo_inpcb_create_t)(struct socket *so, struct label *solabel, struct inpcb *inp, struct label *inplabel); typedef void (*mpo_inpcb_create_mbuf_t)(struct inpcb *inp, struct label *inplabel, struct mbuf *m, struct label *mlabel); typedef void (*mpo_inpcb_destroy_label_t)(struct label *label); typedef int (*mpo_inpcb_init_label_t)(struct label *label, int flag); typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so, struct label *label, struct inpcb *inp, struct label *inplabel); typedef void (*mpo_ip6q_create_t)(struct mbuf *m, struct label *mlabel, struct ip6q *q6, struct label *q6label); typedef void (*mpo_ip6q_destroy_label_t)(struct label *label); typedef int (*mpo_ip6q_init_label_t)(struct label *label, int flag); typedef int (*mpo_ip6q_match_t)(struct mbuf *m, struct label *mlabel, struct ip6q *q6, struct label *q6label); typedef void (*mpo_ip6q_reassemble)(struct ip6q *q6, struct label *q6label, struct mbuf *m, struct label *mlabel); typedef void (*mpo_ip6q_update_t)(struct mbuf *m, struct label *mlabel, struct ip6q *q6, struct label *q6label); typedef void (*mpo_ipq_create_t)(struct mbuf *m, struct label *mlabel, struct ipq *q, struct label *qlabel); typedef void (*mpo_ipq_destroy_label_t)(struct label *label); typedef int (*mpo_ipq_init_label_t)(struct label *label, int flag); typedef int (*mpo_ipq_match_t)(struct mbuf *m, struct label *mlabel, struct ipq *q, struct label *qlabel); typedef void (*mpo_ipq_reassemble)(struct ipq *q, struct label *qlabel, struct mbuf *m, struct label *mlabel); typedef void (*mpo_ipq_update_t)(struct mbuf *m, struct label *mlabel, struct ipq *q, struct label *qlabel); typedef int (*mpo_kenv_check_dump_t)(struct ucred *cred); typedef int (*mpo_kenv_check_get_t)(struct ucred *cred, char *name); typedef int (*mpo_kenv_check_set_t)(struct ucred *cred, char *name, char *value); typedef int (*mpo_kenv_check_unset_t)(struct ucred *cred, char *name); typedef int (*mpo_kld_check_load_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_kld_check_stat_t)(struct ucred *cred); typedef void (*mpo_mbuf_copy_label_t)(struct label *src, struct label *dest); typedef void (*mpo_mbuf_destroy_label_t)(struct label *label); typedef int (*mpo_mbuf_init_label_t)(struct label *label, int flag); typedef int (*mpo_mount_check_stat_t)(struct ucred *cred, struct mount *mp, struct label *mplabel); typedef void (*mpo_mount_create_t)(struct ucred *cred, struct mount *mp, struct label *mplabel); typedef void (*mpo_mount_destroy_label_t)(struct label *label); typedef void (*mpo_mount_init_label_t)(struct label *label); typedef void (*mpo_netinet_arp_send_t)(struct ifnet *ifp, struct label *ifplabel, struct mbuf *m, struct label *mlabel); typedef void (*mpo_netinet_firewall_reply_t)(struct mbuf *mrecv, struct label *mrecvlabel, struct mbuf *msend, struct label *msendlabel); typedef void (*mpo_netinet_firewall_send_t)(struct mbuf *m, struct label *mlabel); typedef void (*mpo_netinet_fragment_t)(struct mbuf *m, struct label *mlabel, struct mbuf *frag, struct label *fraglabel); typedef void (*mpo_netinet_icmp_reply_t)(struct mbuf *mrecv, struct label *mrecvlabel, struct mbuf *msend, struct label *msendlabel); typedef void (*mpo_netinet_icmp_replyinplace_t)(struct mbuf *m, struct label *mlabel); typedef void (*mpo_netinet_igmp_send_t)(struct ifnet *ifp, struct label *ifplabel, struct mbuf *m, struct label *mlabel); typedef void (*mpo_netinet_tcp_reply_t)(struct mbuf *m, struct label *mlabel); typedef void (*mpo_netinet6_nd6_send_t)(struct ifnet *ifp, struct label *ifplabel, struct mbuf *m, struct label *mlabel); typedef int (*mpo_pipe_check_ioctl_t)(struct ucred *cred, struct pipepair *pp, struct label *pplabel, unsigned long cmd, void *data); typedef int (*mpo_pipe_check_poll_t)(struct ucred *cred, struct pipepair *pp, struct label *pplabel); typedef int (*mpo_pipe_check_read_t)(struct ucred *cred, struct pipepair *pp, struct label *pplabel); typedef int (*mpo_pipe_check_relabel_t)(struct ucred *cred, struct pipepair *pp, struct label *pplabel, struct label *newlabel); typedef int (*mpo_pipe_check_stat_t)(struct ucred *cred, struct pipepair *pp, struct label *pplabel); typedef int (*mpo_pipe_check_write_t)(struct ucred *cred, struct pipepair *pp, struct label *pplabel); typedef void (*mpo_pipe_copy_label_t)(struct label *src, struct label *dest); typedef void (*mpo_pipe_create_t)(struct ucred *cred, struct pipepair *pp, struct label *pplabel); typedef void (*mpo_pipe_destroy_label_t)(struct label *label); typedef int (*mpo_pipe_externalize_label_t)(struct label *label, char *element_name, struct sbuf *sb, int *claimed); typedef void (*mpo_pipe_init_label_t)(struct label *label); typedef int (*mpo_pipe_internalize_label_t)(struct label *label, char *element_name, char *element_data, int *claimed); typedef void (*mpo_pipe_relabel_t)(struct ucred *cred, struct pipepair *pp, struct label *oldlabel, struct label *newlabel); typedef int (*mpo_posixsem_check_getvalue_t)(struct ucred *active_cred, struct ucred *file_cred, struct ksem *ks, struct label *kslabel); typedef int (*mpo_posixsem_check_open_t)(struct ucred *cred, struct ksem *ks, struct label *kslabel); typedef int (*mpo_posixsem_check_post_t)(struct ucred *active_cred, struct ucred *file_cred, struct ksem *ks, struct label *kslabel); typedef int (*mpo_posixsem_check_setmode_t)(struct ucred *cred, struct ksem *ks, struct label *shmlabel, mode_t mode); typedef int (*mpo_posixsem_check_setowner_t)(struct ucred *cred, struct ksem *ks, struct label *shmlabel, uid_t uid, gid_t gid); typedef int (*mpo_posixsem_check_stat_t)(struct ucred *active_cred, struct ucred *file_cred, struct ksem *ks, struct label *kslabel); typedef int (*mpo_posixsem_check_unlink_t)(struct ucred *cred, struct ksem *ks, struct label *kslabel); typedef int (*mpo_posixsem_check_wait_t)(struct ucred *active_cred, struct ucred *file_cred, struct ksem *ks, struct label *kslabel); typedef void (*mpo_posixsem_create_t)(struct ucred *cred, struct ksem *ks, struct label *kslabel); typedef void (*mpo_posixsem_destroy_label_t)(struct label *label); typedef void (*mpo_posixsem_init_label_t)(struct label *label); typedef int (*mpo_posixshm_check_create_t)(struct ucred *cred, const char *path); typedef int (*mpo_posixshm_check_mmap_t)(struct ucred *cred, struct shmfd *shmfd, struct label *shmlabel, int prot, int flags); typedef int (*mpo_posixshm_check_open_t)(struct ucred *cred, struct shmfd *shmfd, struct label *shmlabel, accmode_t accmode); typedef int (*mpo_posixshm_check_read_t)(struct ucred *active_cred, struct ucred *file_cred, struct shmfd *shmfd, struct label *shmlabel); typedef int (*mpo_posixshm_check_setmode_t)(struct ucred *cred, struct shmfd *shmfd, struct label *shmlabel, mode_t mode); typedef int (*mpo_posixshm_check_setowner_t)(struct ucred *cred, struct shmfd *shmfd, struct label *shmlabel, uid_t uid, gid_t gid); typedef int (*mpo_posixshm_check_stat_t)(struct ucred *active_cred, struct ucred *file_cred, struct shmfd *shmfd, struct label *shmlabel); typedef int (*mpo_posixshm_check_truncate_t)(struct ucred *active_cred, struct ucred *file_cred, struct shmfd *shmfd, struct label *shmlabel); typedef int (*mpo_posixshm_check_unlink_t)(struct ucred *cred, struct shmfd *shmfd, struct label *shmlabel); typedef int (*mpo_posixshm_check_write_t)(struct ucred *active_cred, struct ucred *file_cred, struct shmfd *shmfd, struct label *shmlabel); typedef void (*mpo_posixshm_create_t)(struct ucred *cred, struct shmfd *shmfd, struct label *shmlabel); typedef void (*mpo_posixshm_destroy_label_t)(struct label *label); typedef void (*mpo_posixshm_init_label_t)(struct label *label); typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv); typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv); typedef int (*mpo_proc_check_debug_t)(struct ucred *cred, struct proc *p); typedef int (*mpo_proc_check_sched_t)(struct ucred *cred, struct proc *p); typedef int (*mpo_proc_check_signal_t)(struct ucred *cred, struct proc *proc, int signum); typedef int (*mpo_proc_check_wait_t)(struct ucred *cred, struct proc *proc); typedef void (*mpo_proc_destroy_label_t)(struct label *label); typedef void (*mpo_proc_init_label_t)(struct label *label); typedef int (*mpo_socket_check_accept_t)(struct ucred *cred, struct socket *so, struct label *solabel); typedef int (*mpo_socket_check_bind_t)(struct ucred *cred, struct socket *so, struct label *solabel, struct sockaddr *sa); typedef int (*mpo_socket_check_connect_t)(struct ucred *cred, struct socket *so, struct label *solabel, struct sockaddr *sa); typedef int (*mpo_socket_check_create_t)(struct ucred *cred, int domain, int type, int protocol); typedef int (*mpo_socket_check_deliver_t)(struct socket *so, struct label *solabel, struct mbuf *m, struct label *mlabel); typedef int (*mpo_socket_check_listen_t)(struct ucred *cred, struct socket *so, struct label *solabel); typedef int (*mpo_socket_check_poll_t)(struct ucred *cred, struct socket *so, struct label *solabel); typedef int (*mpo_socket_check_receive_t)(struct ucred *cred, struct socket *so, struct label *solabel); typedef int (*mpo_socket_check_relabel_t)(struct ucred *cred, struct socket *so, struct label *solabel, struct label *newlabel); typedef int (*mpo_socket_check_send_t)(struct ucred *cred, struct socket *so, struct label *solabel); typedef int (*mpo_socket_check_stat_t)(struct ucred *cred, struct socket *so, struct label *solabel); typedef int (*mpo_socket_check_visible_t)(struct ucred *cred, struct socket *so, struct label *solabel); typedef void (*mpo_socket_copy_label_t)(struct label *src, struct label *dest); typedef void (*mpo_socket_create_t)(struct ucred *cred, struct socket *so, struct label *solabel); typedef void (*mpo_socket_create_mbuf_t)(struct socket *so, struct label *solabel, struct mbuf *m, struct label *mlabel); typedef void (*mpo_socket_destroy_label_t)(struct label *label); typedef int (*mpo_socket_externalize_label_t)(struct label *label, char *element_name, struct sbuf *sb, int *claimed); typedef int (*mpo_socket_init_label_t)(struct label *label, int flag); typedef int (*mpo_socket_internalize_label_t)(struct label *label, char *element_name, char *element_data, int *claimed); typedef void (*mpo_socket_newconn_t)(struct socket *oldso, struct label *oldsolabel, struct socket *newso, struct label *newsolabel); typedef void (*mpo_socket_relabel_t)(struct ucred *cred, struct socket *so, struct label *oldlabel, struct label *newlabel); typedef void (*mpo_socketpeer_destroy_label_t)(struct label *label); typedef int (*mpo_socketpeer_externalize_label_t)(struct label *label, char *element_name, struct sbuf *sb, int *claimed); typedef int (*mpo_socketpeer_init_label_t)(struct label *label, int flag); typedef void (*mpo_socketpeer_set_from_mbuf_t)(struct mbuf *m, struct label *mlabel, struct socket *so, struct label *sopeerlabel); typedef void (*mpo_socketpeer_set_from_socket_t)(struct socket *oldso, struct label *oldsolabel, struct socket *newso, struct label *newsopeerlabel); typedef void (*mpo_syncache_create_t)(struct label *label, struct inpcb *inp); typedef void (*mpo_syncache_create_mbuf_t)(struct label *sc_label, struct mbuf *m, struct label *mlabel); typedef void (*mpo_syncache_destroy_label_t)(struct label *label); typedef int (*mpo_syncache_init_label_t)(struct label *label, int flag); typedef int (*mpo_system_check_acct_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_system_check_audit_t)(struct ucred *cred, void *record, int length); typedef int (*mpo_system_check_auditctl_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_system_check_auditon_t)(struct ucred *cred, int cmd); typedef int (*mpo_system_check_reboot_t)(struct ucred *cred, int howto); typedef int (*mpo_system_check_swapon_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_system_check_swapoff_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_system_check_sysctl_t)(struct ucred *cred, struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req); typedef void (*mpo_sysvmsg_cleanup_t)(struct label *msglabel); typedef void (*mpo_sysvmsg_create_t)(struct ucred *cred, struct msqid_kernel *msqkptr, struct label *msqlabel, struct msg *msgptr, struct label *msglabel); typedef void (*mpo_sysvmsg_destroy_label_t)(struct label *label); typedef void (*mpo_sysvmsg_init_label_t)(struct label *label); typedef int (*mpo_sysvmsq_check_msgmsq_t)(struct ucred *cred, struct msg *msgptr, struct label *msglabel, struct msqid_kernel *msqkptr, struct label *msqklabel); typedef int (*mpo_sysvmsq_check_msgrcv_t)(struct ucred *cred, struct msg *msgptr, struct label *msglabel); typedef int (*mpo_sysvmsq_check_msgrmid_t)(struct ucred *cred, struct msg *msgptr, struct label *msglabel); typedef int (*mpo_sysvmsq_check_msqget_t)(struct ucred *cred, struct msqid_kernel *msqkptr, struct label *msqklabel); typedef int (*mpo_sysvmsq_check_msqctl_t)(struct ucred *cred, struct msqid_kernel *msqkptr, struct label *msqklabel, int cmd); typedef int (*mpo_sysvmsq_check_msqrcv_t)(struct ucred *cred, struct msqid_kernel *msqkptr, struct label *msqklabel); typedef int (*mpo_sysvmsq_check_msqsnd_t)(struct ucred *cred, struct msqid_kernel *msqkptr, struct label *msqklabel); typedef void (*mpo_sysvmsq_cleanup_t)(struct label *msqlabel); typedef void (*mpo_sysvmsq_create_t)(struct ucred *cred, struct msqid_kernel *msqkptr, struct label *msqlabel); typedef void (*mpo_sysvmsq_destroy_label_t)(struct label *label); typedef void (*mpo_sysvmsq_init_label_t)(struct label *label); typedef int (*mpo_sysvsem_check_semctl_t)(struct ucred *cred, struct semid_kernel *semakptr, struct label *semaklabel, int cmd); typedef int (*mpo_sysvsem_check_semget_t)(struct ucred *cred, struct semid_kernel *semakptr, struct label *semaklabel); typedef int (*mpo_sysvsem_check_semop_t)(struct ucred *cred, struct semid_kernel *semakptr, struct label *semaklabel, size_t accesstype); typedef void (*mpo_sysvsem_cleanup_t)(struct label *semalabel); typedef void (*mpo_sysvsem_create_t)(struct ucred *cred, struct semid_kernel *semakptr, struct label *semalabel); typedef void (*mpo_sysvsem_destroy_label_t)(struct label *label); typedef void (*mpo_sysvsem_init_label_t)(struct label *label); typedef int (*mpo_sysvshm_check_shmat_t)(struct ucred *cred, struct shmid_kernel *shmsegptr, struct label *shmseglabel, int shmflg); typedef int (*mpo_sysvshm_check_shmctl_t)(struct ucred *cred, struct shmid_kernel *shmsegptr, struct label *shmseglabel, int cmd); typedef int (*mpo_sysvshm_check_shmdt_t)(struct ucred *cred, struct shmid_kernel *shmsegptr, struct label *shmseglabel); typedef int (*mpo_sysvshm_check_shmget_t)(struct ucred *cred, struct shmid_kernel *shmsegptr, struct label *shmseglabel, int shmflg); typedef void (*mpo_sysvshm_cleanup_t)(struct label *shmlabel); typedef void (*mpo_sysvshm_create_t)(struct ucred *cred, struct shmid_kernel *shmsegptr, struct label *shmlabel); typedef void (*mpo_sysvshm_destroy_label_t)(struct label *label); typedef void (*mpo_sysvshm_init_label_t)(struct label *label); typedef void (*mpo_thread_userret_t)(struct thread *thread); typedef int (*mpo_vnode_associate_extattr_t)(struct mount *mp, struct label *mplabel, struct vnode *vp, struct label *vplabel); typedef void (*mpo_vnode_associate_singlelabel_t)(struct mount *mp, struct label *mplabel, struct vnode *vp, struct label *vplabel); typedef int (*mpo_vnode_check_access_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, accmode_t accmode); typedef int (*mpo_vnode_check_chdir_t)(struct ucred *cred, struct vnode *dvp, struct label *dvplabel); typedef int (*mpo_vnode_check_chroot_t)(struct ucred *cred, struct vnode *dvp, struct label *dvplabel); typedef int (*mpo_vnode_check_create_t)(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct componentname *cnp, struct vattr *vap); typedef int (*mpo_vnode_check_deleteacl_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, acl_type_t type); typedef int (*mpo_vnode_check_deleteextattr_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, int attrnamespace, const char *name); typedef int (*mpo_vnode_check_exec_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, struct image_params *imgp, struct label *execlabel); typedef int (*mpo_vnode_check_getacl_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, acl_type_t type); typedef int (*mpo_vnode_check_getextattr_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, int attrnamespace, const char *name); typedef int (*mpo_vnode_check_link_t)(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct vnode *vp, struct label *vplabel, struct componentname *cnp); typedef int (*mpo_vnode_check_listextattr_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, int attrnamespace); typedef int (*mpo_vnode_check_lookup_t)(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct componentname *cnp); typedef int (*mpo_vnode_check_mmap_t)(struct ucred *cred, struct vnode *vp, struct label *label, int prot, int flags); typedef void (*mpo_vnode_check_mmap_downgrade_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, int *prot); typedef int (*mpo_vnode_check_mprotect_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, int prot); typedef int (*mpo_vnode_check_open_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, accmode_t accmode); typedef int (*mpo_vnode_check_poll_t)(struct ucred *active_cred, struct ucred *file_cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_vnode_check_read_t)(struct ucred *active_cred, struct ucred *file_cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_vnode_check_readdir_t)(struct ucred *cred, struct vnode *dvp, struct label *dvplabel); typedef int (*mpo_vnode_check_readlink_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_vnode_check_relabel_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, struct label *newlabel); typedef int (*mpo_vnode_check_rename_from_t)(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct vnode *vp, struct label *vplabel, struct componentname *cnp); typedef int (*mpo_vnode_check_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_vnode_check_revoke_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_vnode_check_setacl_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, acl_type_t type, struct acl *acl); typedef int (*mpo_vnode_check_setextattr_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, int attrnamespace, const char *name); typedef int (*mpo_vnode_check_setflags_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, u_long flags); typedef int (*mpo_vnode_check_setmode_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, mode_t mode); typedef int (*mpo_vnode_check_setowner_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, uid_t uid, gid_t gid); typedef int (*mpo_vnode_check_setutimes_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, struct timespec atime, struct timespec mtime); typedef int (*mpo_vnode_check_stat_t)(struct ucred *active_cred, struct ucred *file_cred, struct vnode *vp, struct label *vplabel); typedef int (*mpo_vnode_check_unlink_t)(struct ucred *cred, struct vnode *dvp, struct label *dvplabel, struct vnode *vp, struct label *vplabel, struct componentname *cnp); typedef int (*mpo_vnode_check_write_t)(struct ucred *active_cred, struct ucred *file_cred, struct vnode *vp, struct label *vplabel); typedef void (*mpo_vnode_copy_label_t)(struct label *src, struct label *dest); typedef int (*mpo_vnode_create_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_vnode_destroy_label_t)(struct label *label); typedef void (*mpo_vnode_execve_transition_t)(struct ucred *old, struct ucred *new, struct vnode *vp, struct label *vplabel, struct label *interpvplabel, struct image_params *imgp, struct label *execlabel); typedef int (*mpo_vnode_execve_will_transition_t)(struct ucred *old, struct vnode *vp, struct label *vplabel, struct label *interpvplabel, struct image_params *imgp, struct label *execlabel); typedef int (*mpo_vnode_externalize_label_t)(struct label *label, char *element_name, struct sbuf *sb, int *claimed); typedef void (*mpo_vnode_init_label_t)(struct label *label); typedef int (*mpo_vnode_internalize_label_t)(struct label *label, char *element_name, char *element_data, int *claimed); typedef void (*mpo_vnode_relabel_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, struct label *label); typedef int (*mpo_vnode_setlabel_extattr_t)(struct ucred *cred, struct vnode *vp, struct label *vplabel, struct label *intlabel); 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_bpfdesc_check_receive_t mpo_bpfdesc_check_receive; mpo_bpfdesc_create_t mpo_bpfdesc_create; mpo_bpfdesc_create_mbuf_t mpo_bpfdesc_create_mbuf; mpo_bpfdesc_destroy_label_t mpo_bpfdesc_destroy_label; mpo_bpfdesc_init_label_t mpo_bpfdesc_init_label; mpo_cred_associate_nfsd_t mpo_cred_associate_nfsd; mpo_cred_check_relabel_t mpo_cred_check_relabel; mpo_cred_check_setaudit_t mpo_cred_check_setaudit; mpo_cred_check_setaudit_addr_t mpo_cred_check_setaudit_addr; mpo_cred_check_setauid_t mpo_cred_check_setauid; mpo_cred_check_setuid_t mpo_cred_check_setuid; mpo_cred_check_seteuid_t mpo_cred_check_seteuid; mpo_cred_check_setgid_t mpo_cred_check_setgid; mpo_cred_check_setegid_t mpo_cred_check_setegid; mpo_cred_check_setgroups_t mpo_cred_check_setgroups; mpo_cred_check_setreuid_t mpo_cred_check_setreuid; mpo_cred_check_setregid_t mpo_cred_check_setregid; mpo_cred_check_setresuid_t mpo_cred_check_setresuid; mpo_cred_check_setresgid_t mpo_cred_check_setresgid; mpo_cred_check_visible_t mpo_cred_check_visible; mpo_cred_copy_label_t mpo_cred_copy_label; mpo_cred_create_swapper_t mpo_cred_create_swapper; mpo_cred_create_init_t mpo_cred_create_init; mpo_cred_destroy_label_t mpo_cred_destroy_label; mpo_cred_externalize_label_t mpo_cred_externalize_label; mpo_cred_init_label_t mpo_cred_init_label; mpo_cred_internalize_label_t mpo_cred_internalize_label; mpo_cred_relabel_t mpo_cred_relabel; mpo_devfs_create_device_t mpo_devfs_create_device; mpo_devfs_create_directory_t mpo_devfs_create_directory; mpo_devfs_create_symlink_t mpo_devfs_create_symlink; mpo_devfs_destroy_label_t mpo_devfs_destroy_label; mpo_devfs_init_label_t mpo_devfs_init_label; mpo_devfs_update_t mpo_devfs_update; mpo_devfs_vnode_associate_t mpo_devfs_vnode_associate; mpo_ifnet_check_relabel_t mpo_ifnet_check_relabel; mpo_ifnet_check_transmit_t mpo_ifnet_check_transmit; mpo_ifnet_copy_label_t mpo_ifnet_copy_label; mpo_ifnet_create_t mpo_ifnet_create; mpo_ifnet_create_mbuf_t mpo_ifnet_create_mbuf; mpo_ifnet_destroy_label_t mpo_ifnet_destroy_label; mpo_ifnet_externalize_label_t mpo_ifnet_externalize_label; mpo_ifnet_init_label_t mpo_ifnet_init_label; mpo_ifnet_internalize_label_t mpo_ifnet_internalize_label; mpo_ifnet_relabel_t mpo_ifnet_relabel; mpo_inpcb_check_deliver_t mpo_inpcb_check_deliver; mpo_inpcb_check_visible_t mpo_inpcb_check_visible; mpo_inpcb_create_t mpo_inpcb_create; mpo_inpcb_create_mbuf_t mpo_inpcb_create_mbuf; mpo_inpcb_destroy_label_t mpo_inpcb_destroy_label; mpo_inpcb_init_label_t mpo_inpcb_init_label; mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel; mpo_ip6q_create_t mpo_ip6q_create; mpo_ip6q_destroy_label_t mpo_ip6q_destroy_label; mpo_ip6q_init_label_t mpo_ip6q_init_label; mpo_ip6q_match_t mpo_ip6q_match; mpo_ip6q_reassemble mpo_ip6q_reassemble; mpo_ip6q_update_t mpo_ip6q_update; mpo_ipq_create_t mpo_ipq_create; mpo_ipq_destroy_label_t mpo_ipq_destroy_label; mpo_ipq_init_label_t mpo_ipq_init_label; mpo_ipq_match_t mpo_ipq_match; mpo_ipq_reassemble mpo_ipq_reassemble; mpo_ipq_update_t mpo_ipq_update; mpo_kenv_check_dump_t mpo_kenv_check_dump; mpo_kenv_check_get_t mpo_kenv_check_get; mpo_kenv_check_set_t mpo_kenv_check_set; mpo_kenv_check_unset_t mpo_kenv_check_unset; mpo_kld_check_load_t mpo_kld_check_load; mpo_kld_check_stat_t mpo_kld_check_stat; mpo_mbuf_copy_label_t mpo_mbuf_copy_label; mpo_mbuf_destroy_label_t mpo_mbuf_destroy_label; mpo_mbuf_init_label_t mpo_mbuf_init_label; mpo_mount_check_stat_t mpo_mount_check_stat; mpo_mount_create_t mpo_mount_create; mpo_mount_destroy_label_t mpo_mount_destroy_label; mpo_mount_init_label_t mpo_mount_init_label; mpo_netinet_arp_send_t mpo_netinet_arp_send; mpo_netinet_firewall_reply_t mpo_netinet_firewall_reply; mpo_netinet_firewall_send_t mpo_netinet_firewall_send; mpo_netinet_fragment_t mpo_netinet_fragment; mpo_netinet_icmp_reply_t mpo_netinet_icmp_reply; mpo_netinet_icmp_replyinplace_t mpo_netinet_icmp_replyinplace; mpo_netinet_igmp_send_t mpo_netinet_igmp_send; mpo_netinet_tcp_reply_t mpo_netinet_tcp_reply; mpo_netinet6_nd6_send_t mpo_netinet6_nd6_send; mpo_pipe_check_ioctl_t mpo_pipe_check_ioctl; mpo_pipe_check_poll_t mpo_pipe_check_poll; mpo_pipe_check_read_t mpo_pipe_check_read; mpo_pipe_check_relabel_t mpo_pipe_check_relabel; mpo_pipe_check_stat_t mpo_pipe_check_stat; mpo_pipe_check_write_t mpo_pipe_check_write; mpo_pipe_copy_label_t mpo_pipe_copy_label; mpo_pipe_create_t mpo_pipe_create; mpo_pipe_destroy_label_t mpo_pipe_destroy_label; mpo_pipe_externalize_label_t mpo_pipe_externalize_label; mpo_pipe_init_label_t mpo_pipe_init_label; mpo_pipe_internalize_label_t mpo_pipe_internalize_label; mpo_pipe_relabel_t mpo_pipe_relabel; mpo_posixsem_check_getvalue_t mpo_posixsem_check_getvalue; mpo_posixsem_check_open_t mpo_posixsem_check_open; mpo_posixsem_check_post_t mpo_posixsem_check_post; mpo_posixsem_check_setmode_t mpo_posixsem_check_setmode; mpo_posixsem_check_setowner_t mpo_posixsem_check_setowner; mpo_posixsem_check_stat_t mpo_posixsem_check_stat; mpo_posixsem_check_unlink_t mpo_posixsem_check_unlink; mpo_posixsem_check_wait_t mpo_posixsem_check_wait; mpo_posixsem_create_t mpo_posixsem_create; mpo_posixsem_destroy_label_t mpo_posixsem_destroy_label; mpo_posixsem_init_label_t mpo_posixsem_init_label; mpo_posixshm_check_create_t mpo_posixshm_check_create; mpo_posixshm_check_mmap_t mpo_posixshm_check_mmap; mpo_posixshm_check_open_t mpo_posixshm_check_open; mpo_posixshm_check_read_t mpo_posixshm_check_read; mpo_posixshm_check_setmode_t mpo_posixshm_check_setmode; mpo_posixshm_check_setowner_t mpo_posixshm_check_setowner; mpo_posixshm_check_stat_t mpo_posixshm_check_stat; mpo_posixshm_check_truncate_t mpo_posixshm_check_truncate; mpo_posixshm_check_unlink_t mpo_posixshm_check_unlink; mpo_posixshm_check_write_t mpo_posixshm_check_write; mpo_posixshm_create_t mpo_posixshm_create; mpo_posixshm_destroy_label_t mpo_posixshm_destroy_label; mpo_posixshm_init_label_t mpo_posixshm_init_label; mpo_priv_check_t mpo_priv_check; mpo_priv_grant_t mpo_priv_grant; mpo_proc_check_debug_t mpo_proc_check_debug; mpo_proc_check_sched_t mpo_proc_check_sched; mpo_proc_check_signal_t mpo_proc_check_signal; mpo_proc_check_wait_t mpo_proc_check_wait; mpo_proc_destroy_label_t mpo_proc_destroy_label; mpo_proc_init_label_t mpo_proc_init_label; mpo_socket_check_accept_t mpo_socket_check_accept; mpo_socket_check_bind_t mpo_socket_check_bind; mpo_socket_check_connect_t mpo_socket_check_connect; mpo_socket_check_create_t mpo_socket_check_create; mpo_socket_check_deliver_t mpo_socket_check_deliver; mpo_socket_check_listen_t mpo_socket_check_listen; mpo_socket_check_poll_t mpo_socket_check_poll; mpo_socket_check_receive_t mpo_socket_check_receive; mpo_socket_check_relabel_t mpo_socket_check_relabel; mpo_socket_check_send_t mpo_socket_check_send; mpo_socket_check_stat_t mpo_socket_check_stat; mpo_socket_check_visible_t mpo_socket_check_visible; mpo_socket_copy_label_t mpo_socket_copy_label; mpo_socket_create_t mpo_socket_create; mpo_socket_create_mbuf_t mpo_socket_create_mbuf; mpo_socket_destroy_label_t mpo_socket_destroy_label; mpo_socket_externalize_label_t mpo_socket_externalize_label; mpo_socket_init_label_t mpo_socket_init_label; mpo_socket_internalize_label_t mpo_socket_internalize_label; mpo_socket_newconn_t mpo_socket_newconn; mpo_socket_relabel_t mpo_socket_relabel; mpo_socketpeer_destroy_label_t mpo_socketpeer_destroy_label; mpo_socketpeer_externalize_label_t mpo_socketpeer_externalize_label; mpo_socketpeer_init_label_t mpo_socketpeer_init_label; mpo_socketpeer_set_from_mbuf_t mpo_socketpeer_set_from_mbuf; mpo_socketpeer_set_from_socket_t mpo_socketpeer_set_from_socket; mpo_syncache_init_label_t mpo_syncache_init_label; mpo_syncache_destroy_label_t mpo_syncache_destroy_label; mpo_syncache_create_t mpo_syncache_create; mpo_syncache_create_mbuf_t mpo_syncache_create_mbuf; mpo_system_check_acct_t mpo_system_check_acct; mpo_system_check_audit_t mpo_system_check_audit; mpo_system_check_auditctl_t mpo_system_check_auditctl; mpo_system_check_auditon_t mpo_system_check_auditon; mpo_system_check_reboot_t mpo_system_check_reboot; mpo_system_check_swapon_t mpo_system_check_swapon; mpo_system_check_swapoff_t mpo_system_check_swapoff; mpo_system_check_sysctl_t mpo_system_check_sysctl; mpo_sysvmsg_cleanup_t mpo_sysvmsg_cleanup; mpo_sysvmsg_create_t mpo_sysvmsg_create; mpo_sysvmsg_destroy_label_t mpo_sysvmsg_destroy_label; mpo_sysvmsg_init_label_t mpo_sysvmsg_init_label; mpo_sysvmsq_check_msgmsq_t mpo_sysvmsq_check_msgmsq; mpo_sysvmsq_check_msgrcv_t mpo_sysvmsq_check_msgrcv; mpo_sysvmsq_check_msgrmid_t mpo_sysvmsq_check_msgrmid; mpo_sysvmsq_check_msqctl_t mpo_sysvmsq_check_msqctl; mpo_sysvmsq_check_msqget_t mpo_sysvmsq_check_msqget; mpo_sysvmsq_check_msqrcv_t mpo_sysvmsq_check_msqrcv; mpo_sysvmsq_check_msqsnd_t mpo_sysvmsq_check_msqsnd; mpo_sysvmsq_cleanup_t mpo_sysvmsq_cleanup; mpo_sysvmsq_create_t mpo_sysvmsq_create; mpo_sysvmsq_destroy_label_t mpo_sysvmsq_destroy_label; mpo_sysvmsq_init_label_t mpo_sysvmsq_init_label; mpo_sysvsem_check_semctl_t mpo_sysvsem_check_semctl; mpo_sysvsem_check_semget_t mpo_sysvsem_check_semget; mpo_sysvsem_check_semop_t mpo_sysvsem_check_semop; mpo_sysvsem_cleanup_t mpo_sysvsem_cleanup; mpo_sysvsem_create_t mpo_sysvsem_create; mpo_sysvsem_destroy_label_t mpo_sysvsem_destroy_label; mpo_sysvsem_init_label_t mpo_sysvsem_init_label; mpo_sysvshm_check_shmat_t mpo_sysvshm_check_shmat; mpo_sysvshm_check_shmctl_t mpo_sysvshm_check_shmctl; mpo_sysvshm_check_shmdt_t mpo_sysvshm_check_shmdt; mpo_sysvshm_check_shmget_t mpo_sysvshm_check_shmget; mpo_sysvshm_cleanup_t mpo_sysvshm_cleanup; mpo_sysvshm_create_t mpo_sysvshm_create; mpo_sysvshm_destroy_label_t mpo_sysvshm_destroy_label; mpo_sysvshm_init_label_t mpo_sysvshm_init_label; mpo_thread_userret_t mpo_thread_userret; mpo_vnode_check_access_t mpo_vnode_check_access; mpo_vnode_check_chdir_t mpo_vnode_check_chdir; mpo_vnode_check_chroot_t mpo_vnode_check_chroot; mpo_vnode_check_create_t mpo_vnode_check_create; mpo_vnode_check_deleteacl_t mpo_vnode_check_deleteacl; mpo_vnode_check_deleteextattr_t mpo_vnode_check_deleteextattr; mpo_vnode_check_exec_t mpo_vnode_check_exec; mpo_vnode_check_getacl_t mpo_vnode_check_getacl; mpo_vnode_check_getextattr_t mpo_vnode_check_getextattr; mpo_vnode_check_link_t mpo_vnode_check_link; mpo_vnode_check_listextattr_t mpo_vnode_check_listextattr; mpo_vnode_check_lookup_t mpo_vnode_check_lookup; mpo_vnode_check_mmap_t mpo_vnode_check_mmap; mpo_vnode_check_mmap_downgrade_t mpo_vnode_check_mmap_downgrade; mpo_vnode_check_mprotect_t mpo_vnode_check_mprotect; mpo_vnode_check_open_t mpo_vnode_check_open; mpo_vnode_check_poll_t mpo_vnode_check_poll; mpo_vnode_check_read_t mpo_vnode_check_read; mpo_vnode_check_readdir_t mpo_vnode_check_readdir; mpo_vnode_check_readlink_t mpo_vnode_check_readlink; mpo_vnode_check_relabel_t mpo_vnode_check_relabel; mpo_vnode_check_rename_from_t mpo_vnode_check_rename_from; mpo_vnode_check_rename_to_t mpo_vnode_check_rename_to; mpo_vnode_check_revoke_t mpo_vnode_check_revoke; mpo_vnode_check_setacl_t mpo_vnode_check_setacl; mpo_vnode_check_setextattr_t mpo_vnode_check_setextattr; mpo_vnode_check_setflags_t mpo_vnode_check_setflags; mpo_vnode_check_setmode_t mpo_vnode_check_setmode; mpo_vnode_check_setowner_t mpo_vnode_check_setowner; mpo_vnode_check_setutimes_t mpo_vnode_check_setutimes; mpo_vnode_check_stat_t mpo_vnode_check_stat; mpo_vnode_check_unlink_t mpo_vnode_check_unlink; mpo_vnode_check_write_t mpo_vnode_check_write; mpo_vnode_associate_extattr_t mpo_vnode_associate_extattr; mpo_vnode_associate_singlelabel_t mpo_vnode_associate_singlelabel; mpo_vnode_destroy_label_t mpo_vnode_destroy_label; mpo_vnode_copy_label_t mpo_vnode_copy_label; mpo_vnode_create_extattr_t mpo_vnode_create_extattr; mpo_vnode_execve_transition_t mpo_vnode_execve_transition; mpo_vnode_execve_will_transition_t mpo_vnode_execve_will_transition; mpo_vnode_externalize_label_t mpo_vnode_externalize_label; mpo_vnode_init_label_t mpo_vnode_init_label; mpo_vnode_internalize_label_t mpo_vnode_internalize_label; mpo_vnode_relabel_t mpo_vnode_relabel; mpo_vnode_setlabel_extattr_t mpo_vnode_setlabel_extattr; }; /* * 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 */ int _mpc_spare1; /* Spare. */ uint64_t _mpc_spare2; /* Spare. */ uint64_t _mpc_spare3; /* Spare. */ void *_mpc_spare4; /* Spare. */ 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 /* 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 * 4 8.x */ #define MAC_VERSION 4 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ static struct mac_policy_conf mpname##_mac_policy_conf = { \ .mpc_name = #mpname, \ .mpc_fullname = mpfullname, \ .mpc_ops = mpops, \ .mpc_loadtime_flags = mpflags, \ .mpc_field_off = privdata_wanted, \ }; \ 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 /* !_SECURITY_MAC_MAC_POLICY_H_ */