mac_framework.h revision 173042
1/*- 2 * Copyright (c) 1999-2002 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * Copyright (c) 2005-2006 SPARTA, Inc. 5 * All rights reserved. 6 * 7 * This software was developed by Robert Watson for the TrustedBSD Project. 8 * 9 * This software was developed for the FreeBSD Project in part by Network 10 * Associates Laboratories, the Security Research Division of Network 11 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 12 * as part of the DARPA CHATS research program. 13 * 14 * This software was enhanced by SPARTA ISSO under SPAWAR contract 15 * N66001-04-C-6019 ("SEFOS"). 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * $FreeBSD: head/sys/security/mac/mac_framework.h 173042 2007-10-26 21:16:34Z rwatson $ 39 */ 40 41/* 42 * Kernel interface for Mandatory Access Control -- how kernel services 43 * interact with the TrustedBSD MAC Framework. 44 */ 45 46#ifndef _SYS_SECURITY_MAC_MAC_FRAMEWORK_H_ 47#define _SYS_SECURITY_MAC_MAC_FRAMEWORK_H_ 48 49#ifndef _KERNEL 50#error "no user-serviceable parts inside" 51#endif 52 53struct auditinfo; 54struct auditinfo_addr; 55struct bpf_d; 56struct cdev; 57struct componentname; 58struct devfs_dirent; 59struct ifnet; 60struct ifreq; 61struct image_params; 62struct inpcb; 63struct ipq; 64struct ksem; 65struct label; 66struct m_tag; 67struct mac; 68struct mbuf; 69struct mount; 70struct msg; 71struct msqid_kernel; 72struct proc; 73struct semid_kernel; 74struct shmid_kernel; 75struct sockaddr; 76struct socket; 77struct sysctl_oid; 78struct sysctl_req; 79struct pipepair; 80struct thread; 81struct timespec; 82struct ucred; 83struct uio; 84struct vattr; 85struct vnode; 86struct vop_setlabel_args; 87 88#include <sys/acl.h> /* XXX acl_type_t */ 89 90/* 91 * Entry points to the TrustedBSD MAC Framework from the remainder of the 92 * kernel: entry points are named based on a principle object type and an 93 * action relating to it. They are sorted alphabetically first by object 94 * type and then action. In some situations, the principle object type is 95 * obvious, and in other cases, less so as multiple objects may be inolved 96 * in the operation. 97 */ 98int mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp); 99void mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d); 100void mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m); 101void mac_bpfdesc_destroy(struct bpf_d *); 102void mac_bpfdesc_init(struct bpf_d *); 103 104int mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2); 105void mac_cred_copy(struct ucred *cr1, struct ucred *cr2); 106void mac_cred_destroy(struct ucred *); 107void mac_cred_init(struct ucred *); 108 109void mac_devfs_create_device(struct ucred *cred, struct mount *mp, 110 struct cdev *dev, struct devfs_dirent *de); 111void mac_devfs_create_directory(struct mount *mp, char *dirname, 112 int dirnamelen, struct devfs_dirent *de); 113void mac_devfs_create_symlink(struct ucred *cred, struct mount *mp, 114 struct devfs_dirent *dd, struct devfs_dirent *de); 115void mac_devfs_destroy(struct devfs_dirent *); 116void mac_devfs_init(struct devfs_dirent *); 117void mac_devfs_update(struct mount *mp, struct devfs_dirent *de, 118 struct vnode *vp); 119void mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de, 120 struct vnode *vp); 121 122int mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m); 123void mac_ifnet_create(struct ifnet *ifp); 124void mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m); 125void mac_ifnet_destroy(struct ifnet *); 126void mac_ifnet_init(struct ifnet *); 127int mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr, 128 struct ifnet *ifp); 129int mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr, 130 struct ifnet *ifp); 131 132int mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m); 133void mac_inpcb_create(struct socket *so, struct inpcb *inp); 134void mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m); 135void mac_inpcb_destroy(struct inpcb *); 136int mac_inpcb_init(struct inpcb *, int); 137void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp); 138 139void mac_ipq_create(struct mbuf *m, struct ipq *ipq); 140void mac_ipq_destroy(struct ipq *); 141int mac_ipq_init(struct ipq *, int); 142int mac_ipq_match(struct mbuf *m, struct ipq *ipq); 143void mac_ipq_reassemble(struct ipq *ipq, struct mbuf *m); 144void mac_ipq_update(struct mbuf *m, struct ipq *ipq); 145 146int mac_kenv_check_dump(struct ucred *cred); 147int mac_kenv_check_get(struct ucred *cred, char *name); 148int mac_kenv_check_set(struct ucred *cred, char *name, char *value); 149int mac_kenv_check_unset(struct ucred *cred, char *name); 150 151int mac_kld_check_load(struct ucred *cred, struct vnode *vp); 152int mac_kld_check_stat(struct ucred *cred); 153 154void mac_mbuf_copy(struct mbuf *, struct mbuf *); 155void mac_mbuf_create_linklayer(struct ifnet *ifp, struct mbuf *m); 156void mac_mbuf_create_multicast_encap(struct mbuf *m, struct ifnet *ifp, 157 struct mbuf *mnew); 158void mac_mbuf_create_netlayer(struct mbuf *m, struct mbuf *mnew); 159int mac_mbuf_init(struct mbuf *, int); 160 161void mac_mbuf_tag_copy(struct m_tag *, struct m_tag *); 162void mac_mbuf_tag_destroy(struct m_tag *); 163int mac_mbuf_tag_init(struct m_tag *, int); 164 165int mac_mount_check_stat(struct ucred *cred, struct mount *mp); 166void mac_mount_create(struct ucred *cred, struct mount *mp); 167void mac_mount_destroy(struct mount *); 168void mac_mount_init(struct mount *); 169 170void mac_netinet_firewall_send(struct mbuf *m); 171void mac_netinet_fragment(struct mbuf *m, struct mbuf *frag); 172void mac_netinet_icmp_reply(struct mbuf *m); 173void mac_netinet_tcp_reply(struct mbuf *m); 174 175int mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp, 176 unsigned long cmd, void *data); 177int mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp); 178int mac_pipe_check_read(struct ucred *cred, struct pipepair *pp); 179int mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp); 180int mac_pipe_check_write(struct ucred *cred, struct pipepair *pp); 181void mac_pipe_create(struct ucred *cred, struct pipepair *pp); 182void mac_pipe_destroy(struct pipepair *); 183void mac_pipe_init(struct pipepair *); 184int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp, 185 struct label *label); 186 187int mac_posixsem_check_destroy(struct ucred *cred, struct ksem *ks); 188int mac_posixsem_check_getvalue(struct ucred *cred,struct ksem *ks); 189int mac_posixsem_check_open(struct ucred *cred, struct ksem *ks); 190int mac_posixsem_check_post(struct ucred *cred, struct ksem *ks); 191int mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks); 192int mac_posixsem_check_wait(struct ucred *cred, struct ksem *ks); 193void mac_posixsem_create(struct ucred *cred, struct ksem *ks); 194void mac_posixsem_destroy(struct ksem *); 195void mac_posixsem_init(struct ksem *); 196 197int mac_priv_check(struct ucred *cred, int priv); 198int mac_priv_grant(struct ucred *cred, int priv); 199 200void mac_proc_associate_nfsd(struct ucred *cred); 201int mac_proc_check_debug(struct ucred *cred, struct proc *p); 202int mac_proc_check_sched(struct ucred *cred, struct proc *p); 203int mac_proc_check_setaudit(struct ucred *cred, struct auditinfo *ai); 204int mac_proc_check_setaudit_addr(struct ucred *cred, 205 struct auditinfo_addr *aia); 206int mac_proc_check_setauid(struct ucred *cred, uid_t auid); 207int mac_proc_check_setegid(struct proc *p, struct ucred *cred, 208 gid_t egid); 209int mac_proc_check_seteuid(struct proc *p, struct ucred *cred, 210 uid_t euid); 211int mac_proc_check_setgid(struct proc *p, struct ucred *cred, 212 gid_t gid); 213int mac_proc_check_setgroups(struct proc *p, struct ucred *cred, 214 int ngroups, gid_t *gidset); 215int mac_proc_check_setregid(struct proc *p, struct ucred *cred, 216 gid_t rgid, gid_t egid); 217int mac_proc_check_setresgid(struct proc *p, struct ucred *cred, 218 gid_t rgid, gid_t egid, gid_t sgid); 219int mac_proc_check_setresuid(struct proc *p, struct ucred *cred, 220 uid_t ruid, uid_t euid, uid_t suid); 221int mac_proc_check_setreuid(struct proc *p, struct ucred *cred, 222 uid_t ruid, uid_t euid); 223int mac_proc_check_setuid(struct proc *p, struct ucred *cred, 224 uid_t uid); 225int mac_proc_check_signal(struct ucred *cred, struct proc *p, 226 int signum); 227int mac_proc_check_wait(struct ucred *cred, struct proc *p); 228void mac_proc_create_init(struct ucred *cred); 229void mac_proc_create_swapper(struct ucred *cred); 230void mac_proc_destroy(struct proc *); 231int mac_execve_enter(struct image_params *imgp, struct mac *mac_p); 232void mac_execve_exit(struct image_params *imgp); 233void mac_proc_init(struct proc *); 234 235int mac_socket_check_accept(struct ucred *cred, struct socket *so); 236int mac_socket_check_bind(struct ucred *cred, struct socket *so, 237 struct sockaddr *sa); 238int mac_socket_check_connect(struct ucred *cred, struct socket *so, 239 struct sockaddr *sa); 240int mac_socket_check_create(struct ucred *cred, int domain, int type, 241 int proto); 242int mac_socket_check_deliver(struct socket *so, struct mbuf *m); 243int mac_socket_check_listen(struct ucred *cred, struct socket *so); 244int mac_socket_check_poll(struct ucred *cred, struct socket *so); 245int mac_socket_check_receive(struct ucred *cred, struct socket *so); 246int mac_socket_check_send(struct ucred *cred, struct socket *so); 247int mac_socket_check_stat(struct ucred *cred, struct socket *so); 248int mac_socket_check_visible(struct ucred *cred, struct socket *so); 249void mac_socket_create_mbuf(struct socket *so, struct mbuf *m); 250void mac_socket_create(struct ucred *cred, struct socket *so); 251void mac_socket_destroy(struct socket *); 252int mac_socket_init(struct socket *, int); 253void mac_socket_newconn(struct socket *oldso, struct socket *newso); 254int mac_getsockopt_label(struct ucred *cred, struct socket *so, 255 struct mac *extmac); 256int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so, 257 struct mac *extmac); 258int mac_setsockopt_label(struct ucred *cred, struct socket *so, 259 struct mac *extmac); 260 261void mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so); 262void mac_socketpeer_set_from_socket(struct socket *oldso, 263 struct socket *newso); 264 265void mac_syncache_create(struct label *l, struct inpcb *inp); 266void mac_syncache_create_mbuf(struct label *l, struct mbuf *m); 267void mac_syncache_destroy(struct label **l); 268int mac_syncache_init(struct label **l); 269 270int mac_system_check_acct(struct ucred *cred, struct vnode *vp); 271int mac_system_check_audit(struct ucred *cred, void *record, int length); 272int mac_system_check_auditctl(struct ucred *cred, struct vnode *vp); 273int mac_system_check_auditon(struct ucred *cred, int cmd); 274int mac_system_check_reboot(struct ucred *cred, int howto); 275int mac_system_check_swapon(struct ucred *cred, struct vnode *vp); 276int mac_system_check_swapoff(struct ucred *cred, struct vnode *vp); 277int mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 278 void *arg1, int arg2, struct sysctl_req *req); 279 280void mac_sysvmsg_cleanup(struct msg *msgptr); 281void mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr, 282 struct msg *msgptr); 283void mac_sysvmsg_destroy(struct msg *); 284void mac_sysvmsg_init(struct msg *); 285 286int mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr, 287 struct msqid_kernel *msqkptr); 288int mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr); 289int mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr); 290int mac_sysvmsq_check_msqctl(struct ucred *cred, 291 struct msqid_kernel *msqkptr, int cmd); 292int mac_sysvmsq_check_msqget(struct ucred *cred, 293 struct msqid_kernel *msqkptr); 294int mac_sysvmsq_check_msqrcv(struct ucred *cred, 295 struct msqid_kernel *msqkptr); 296int mac_sysvmsq_check_msqsnd(struct ucred *cred, 297 struct msqid_kernel *msqkptr); 298void mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr); 299void mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr); 300void mac_sysvmsq_destroy(struct msqid_kernel *); 301void mac_sysvmsq_init(struct msqid_kernel *); 302 303int mac_sysvsem_check_semctl(struct ucred *cred, 304 struct semid_kernel *semakptr, int cmd); 305int mac_sysvsem_check_semget(struct ucred *cred, 306 struct semid_kernel *semakptr); 307int mac_sysvsem_check_semop(struct ucred *cred, 308 struct semid_kernel *semakptr, size_t accesstype); 309void mac_sysvsem_cleanup(struct semid_kernel *semakptr); 310void mac_sysvsem_create(struct ucred *cred, 311 struct semid_kernel *semakptr); 312void mac_sysvsem_destroy(struct semid_kernel *); 313void mac_sysvsem_init(struct semid_kernel *); 314 315int mac_sysvshm_check_shmat(struct ucred *cred, 316 struct shmid_kernel *shmsegptr, int shmflg); 317int mac_sysvshm_check_shmctl(struct ucred *cred, 318 struct shmid_kernel *shmsegptr, int cmd); 319int mac_sysvshm_check_shmdt(struct ucred *cred, 320 struct shmid_kernel *shmsegptr); 321int mac_sysvshm_check_shmget(struct ucred *cred, 322 struct shmid_kernel *shmsegptr, int shmflg); 323void mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr); 324void mac_sysvshm_create(struct ucred *cred, 325 struct shmid_kernel *shmsegptr); 326void mac_sysvshm_destroy(struct shmid_kernel *); 327void mac_sysvshm_init(struct shmid_kernel *); 328 329void mac_thread_userret(struct thread *td); 330 331int mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp); 332void mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp); 333int mac_vnode_check_access(struct ucred *cred, struct vnode *vp, 334 int acc_mode); 335int mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp); 336int mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp); 337int mac_vnode_check_create(struct ucred *cred, struct vnode *dvp, 338 struct componentname *cnp, struct vattr *vap); 339int mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, 340 acl_type_t type); 341int mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, 342 int attrnamespace, const char *name); 343int mac_vnode_check_exec(struct ucred *cred, struct vnode *vp, 344 struct image_params *imgp); 345int mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp, 346 acl_type_t type); 347int mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, 348 int attrnamespace, const char *name, struct uio *uio); 349int mac_vnode_check_link(struct ucred *cred, struct vnode *dvp, 350 struct vnode *vp, struct componentname *cnp); 351int mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, 352 int attrnamespace); 353int mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, 354 struct componentname *cnp); 355int mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot, 356 int flags); 357int mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp, 358 int prot); 359int mac_vnode_check_open(struct ucred *cred, struct vnode *vp, 360 int acc_mode); 361int mac_vnode_check_poll(struct ucred *active_cred, 362 struct ucred *file_cred, struct vnode *vp); 363int mac_vnode_check_read(struct ucred *active_cred, 364 struct ucred *file_cred, struct vnode *vp); 365int mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp); 366int mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp); 367int mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, 368 struct vnode *vp, struct componentname *cnp); 369int mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, 370 struct vnode *vp, int samedir, struct componentname *cnp); 371int mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp); 372int mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp, 373 acl_type_t type, struct acl *acl); 374int mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, 375 int attrnamespace, const char *name, struct uio *uio); 376int mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp, 377 u_long flags); 378int mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp, 379 mode_t mode); 380int mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp, 381 uid_t uid, gid_t gid); 382int mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, 383 struct timespec atime, struct timespec mtime); 384int mac_vnode_check_stat(struct ucred *active_cred, 385 struct ucred *file_cred, struct vnode *vp); 386int mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, 387 struct vnode *vp, struct componentname *cnp); 388int mac_vnode_check_write(struct ucred *active_cred, 389 struct ucred *file_cred, struct vnode *vp); 390void mac_vnode_copy_label(struct label *, struct label *); 391void mac_vnode_init(struct vnode *); 392int mac_vnode_create_extattr(struct ucred *cred, struct mount *mp, 393 struct vnode *dvp, struct vnode *vp, struct componentname *cnp); 394void mac_vnode_destroy(struct vnode *); 395void mac_vnode_execve_transition(struct ucred *oldcred, 396 struct ucred *newcred, struct vnode *vp, 397 struct label *interpvplabel, struct image_params *imgp); 398int mac_vnode_execve_will_transition(struct ucred *cred, 399 struct vnode *vp, struct label *interpvplabel, 400 struct image_params *imgp); 401void mac_vnode_relabel(struct ucred *cred, struct vnode *vp, 402 struct label *newlabel); 403 404struct label *mac_cred_label_alloc(void); 405void mac_cred_label_free(struct label *); 406struct label *mac_vnode_label_alloc(void); 407void mac_vnode_label_free(struct label *); 408 409void mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred); 410 411/* 412 * Calls to help various file systems implement labeling functionality using 413 * their existing EA implementation. 414 */ 415int vop_stdsetlabel_ea(struct vop_setlabel_args *ap); 416 417#endif /* !_SYS_SECURITY_MAC_MAC_FRAMEWORK_H_ */ 418