mac_framework.h revision 175164
189837Skris/*- 289837Skris * Copyright (c) 1999-2002, 2007 Robert N. M. Watson 389837Skris * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 489837Skris * Copyright (c) 2005-2006 SPARTA, Inc. 589837Skris * All rights reserved. 689837Skris * 789837Skris * This software was developed by Robert Watson for the TrustedBSD Project. 889837Skris * 989837Skris * This software was developed for the FreeBSD Project in part by Network 1089837Skris * Associates Laboratories, the Security Research Division of Network 11160814Ssimon * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 1289837Skris * as part of the DARPA CHATS research program. 1389837Skris * 1489837Skris * This software was enhanced by SPARTA ISSO under SPAWAR contract 1589837Skris * N66001-04-C-6019 ("SEFOS"). 1689837Skris * 1789837Skris * Redistribution and use in source and binary forms, with or without 1889837Skris * modification, are permitted provided that the following conditions 1989837Skris * are met: 2089837Skris * 1. Redistributions of source code must retain the above copyright 2189837Skris * notice, this list of conditions and the following disclaimer. 2289837Skris * 2. Redistributions in binary form must reproduce the above copyright 2389837Skris * notice, this list of conditions and the following disclaimer in the 2489837Skris * documentation and/or other materials provided with the distribution. 2589837Skris * 2689837Skris * 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 175164 2008-01-08 21:58:16Z jhb $ 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 shmfd; 75struct shmid_kernel; 76struct sockaddr; 77struct socket; 78struct sysctl_oid; 79struct sysctl_req; 80struct pipepair; 81struct thread; 82struct timespec; 83struct ucred; 84struct uio; 85struct vattr; 86struct vnode; 87struct vop_setlabel_args; 88 89#include <sys/acl.h> /* XXX acl_type_t */ 90 91/* 92 * Entry points to the TrustedBSD MAC Framework from the remainder of the 93 * kernel: entry points are named based on a principle object type and an 94 * action relating to it. They are sorted alphabetically first by object 95 * type and then action. In some situations, the principle object type is 96 * obvious, and in other cases, less so as multiple objects may be inolved 97 * in the operation. 98 */ 99int mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp); 100void mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d); 101void mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m); 102void mac_bpfdesc_destroy(struct bpf_d *); 103void mac_bpfdesc_init(struct bpf_d *); 104 105int mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2); 106void mac_cred_copy(struct ucred *cr1, struct ucred *cr2); 107void mac_cred_destroy(struct ucred *); 108void mac_cred_init(struct ucred *); 109 110void mac_devfs_create_device(struct ucred *cred, struct mount *mp, 111 struct cdev *dev, struct devfs_dirent *de); 112void mac_devfs_create_directory(struct mount *mp, char *dirname, 113 int dirnamelen, struct devfs_dirent *de); 114void mac_devfs_create_symlink(struct ucred *cred, struct mount *mp, 115 struct devfs_dirent *dd, struct devfs_dirent *de); 116void mac_devfs_destroy(struct devfs_dirent *); 117void mac_devfs_init(struct devfs_dirent *); 118void mac_devfs_update(struct mount *mp, struct devfs_dirent *de, 119 struct vnode *vp); 120void mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de, 121 struct vnode *vp); 122 123int mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m); 124void mac_ifnet_create(struct ifnet *ifp); 125void mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m); 126void mac_ifnet_destroy(struct ifnet *); 127void mac_ifnet_init(struct ifnet *); 128int mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr, 129 struct ifnet *ifp); 130int mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr, 131 struct ifnet *ifp); 132 133int mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m); 134void mac_inpcb_create(struct socket *so, struct inpcb *inp); 135void mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m); 136void mac_inpcb_destroy(struct inpcb *); 137int mac_inpcb_init(struct inpcb *, int); 138void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp); 139 140void mac_ipq_create(struct mbuf *m, struct ipq *ipq); 141void mac_ipq_destroy(struct ipq *); 142int mac_ipq_init(struct ipq *, int); 143int mac_ipq_match(struct mbuf *m, struct ipq *ipq); 144void mac_ipq_reassemble(struct ipq *ipq, struct mbuf *m); 145void mac_ipq_update(struct mbuf *m, struct ipq *ipq); 146 147int mac_kenv_check_dump(struct ucred *cred); 148int mac_kenv_check_get(struct ucred *cred, char *name); 149int mac_kenv_check_set(struct ucred *cred, char *name, char *value); 150int mac_kenv_check_unset(struct ucred *cred, char *name); 151 152int mac_kld_check_load(struct ucred *cred, struct vnode *vp); 153int mac_kld_check_stat(struct ucred *cred); 154 155void mac_mbuf_copy(struct mbuf *, struct mbuf *); 156int mac_mbuf_init(struct mbuf *, int); 157 158void mac_mbuf_tag_copy(struct m_tag *, struct m_tag *); 159void mac_mbuf_tag_destroy(struct m_tag *); 160int mac_mbuf_tag_init(struct m_tag *, int); 161 162int mac_mount_check_stat(struct ucred *cred, struct mount *mp); 163void mac_mount_create(struct ucred *cred, struct mount *mp); 164void mac_mount_destroy(struct mount *); 165void mac_mount_init(struct mount *); 166 167void mac_netatalk_aarp_send(struct ifnet *ifp, struct mbuf *m); 168 169void mac_netinet_arp_send(struct ifnet *ifp, struct mbuf *m); 170void mac_netinet_firewall_reply(struct mbuf *mrecv, struct mbuf *msend); 171void mac_netinet_firewall_send(struct mbuf *m); 172void mac_netinet_fragment(struct mbuf *m, struct mbuf *frag); 173void mac_netinet_icmp_reply(struct mbuf *mrecv, struct mbuf *msend); 174void mac_netinet_icmp_replyinplace(struct mbuf *m); 175void mac_netinet_igmp_send(struct ifnet *ifp, struct mbuf *m); 176void mac_netinet_tcp_reply(struct mbuf *m); 177 178void mac_netinet6_nd6_send(struct ifnet *ifp, struct mbuf *m); 179 180int mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp, 181 unsigned long cmd, void *data); 182int mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp); 183int mac_pipe_check_read(struct ucred *cred, struct pipepair *pp); 184int mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp); 185int mac_pipe_check_write(struct ucred *cred, struct pipepair *pp); 186void mac_pipe_create(struct ucred *cred, struct pipepair *pp); 187void mac_pipe_destroy(struct pipepair *); 188void mac_pipe_init(struct pipepair *); 189int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp, 190 struct label *label); 191 192int mac_posixsem_check_destroy(struct ucred *cred, struct ksem *ks); 193int mac_posixsem_check_getvalue(struct ucred *cred,struct ksem *ks); 194int mac_posixsem_check_open(struct ucred *cred, struct ksem *ks); 195int mac_posixsem_check_post(struct ucred *cred, struct ksem *ks); 196int mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks); 197int mac_posixsem_check_wait(struct ucred *cred, struct ksem *ks); 198void mac_posixsem_create(struct ucred *cred, struct ksem *ks); 199void mac_posixsem_destroy(struct ksem *); 200void mac_posixsem_init(struct ksem *); 201 202int mac_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd, 203 int prot, int flags); 204int mac_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd); 205int mac_posixshm_check_stat(struct ucred *active_cred, 206 struct ucred *file_cred, struct shmfd *shmfd); 207int mac_posixshm_check_truncate(struct ucred *active_cred, 208 struct ucred *file_cred, struct shmfd *shmfd); 209int mac_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd); 210void mac_posixshm_create(struct ucred *cred, struct shmfd *shmfd); 211void mac_posixshm_destroy(struct shmfd *); 212void mac_posixshm_init(struct shmfd *); 213 214int mac_priv_check(struct ucred *cred, int priv); 215int mac_priv_grant(struct ucred *cred, int priv); 216 217void mac_proc_associate_nfsd(struct ucred *cred); 218int mac_proc_check_debug(struct ucred *cred, struct proc *p); 219int mac_proc_check_sched(struct ucred *cred, struct proc *p); 220int mac_proc_check_setaudit(struct ucred *cred, struct auditinfo *ai); 221int mac_proc_check_setaudit_addr(struct ucred *cred, 222 struct auditinfo_addr *aia); 223int mac_proc_check_setauid(struct ucred *cred, uid_t auid); 224int mac_proc_check_setegid(struct proc *p, struct ucred *cred, 225 gid_t egid); 226int mac_proc_check_seteuid(struct proc *p, struct ucred *cred, 227 uid_t euid); 228int mac_proc_check_setgid(struct proc *p, struct ucred *cred, 229 gid_t gid); 230int mac_proc_check_setgroups(struct proc *p, struct ucred *cred, 231 int ngroups, gid_t *gidset); 232int mac_proc_check_setregid(struct proc *p, struct ucred *cred, 233 gid_t rgid, gid_t egid); 234int mac_proc_check_setresgid(struct proc *p, struct ucred *cred, 235 gid_t rgid, gid_t egid, gid_t sgid); 236int mac_proc_check_setresuid(struct proc *p, struct ucred *cred, 237 uid_t ruid, uid_t euid, uid_t suid); 238int mac_proc_check_setreuid(struct proc *p, struct ucred *cred, 239 uid_t ruid, uid_t euid); 240int mac_proc_check_setuid(struct proc *p, struct ucred *cred, 241 uid_t uid); 242int mac_proc_check_signal(struct ucred *cred, struct proc *p, 243 int signum); 244int mac_proc_check_wait(struct ucred *cred, struct proc *p); 245void mac_proc_create_init(struct ucred *cred); 246void mac_proc_create_swapper(struct ucred *cred); 247void mac_proc_destroy(struct proc *); 248int mac_execve_enter(struct image_params *imgp, struct mac *mac_p); 249void mac_execve_exit(struct image_params *imgp); 250void mac_proc_init(struct proc *); 251 252int mac_socket_check_accept(struct ucred *cred, struct socket *so); 253int mac_socket_check_bind(struct ucred *cred, struct socket *so, 254 struct sockaddr *sa); 255int mac_socket_check_connect(struct ucred *cred, struct socket *so, 256 struct sockaddr *sa); 257int mac_socket_check_create(struct ucred *cred, int domain, int type, 258 int proto); 259int mac_socket_check_deliver(struct socket *so, struct mbuf *m); 260int mac_socket_check_listen(struct ucred *cred, struct socket *so); 261int mac_socket_check_poll(struct ucred *cred, struct socket *so); 262int mac_socket_check_receive(struct ucred *cred, struct socket *so); 263int mac_socket_check_send(struct ucred *cred, struct socket *so); 264int mac_socket_check_stat(struct ucred *cred, struct socket *so); 265int mac_socket_check_visible(struct ucred *cred, struct socket *so); 266void mac_socket_create_mbuf(struct socket *so, struct mbuf *m); 267void mac_socket_create(struct ucred *cred, struct socket *so); 268void mac_socket_destroy(struct socket *); 269int mac_socket_init(struct socket *, int); 270void mac_socket_newconn(struct socket *oldso, struct socket *newso); 271int mac_getsockopt_label(struct ucred *cred, struct socket *so, 272 struct mac *extmac); 273int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so, 274 struct mac *extmac); 275int mac_setsockopt_label(struct ucred *cred, struct socket *so, 276 struct mac *extmac); 277 278void mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so); 279void mac_socketpeer_set_from_socket(struct socket *oldso, 280 struct socket *newso); 281 282void mac_syncache_create(struct label *l, struct inpcb *inp); 283void mac_syncache_create_mbuf(struct label *l, struct mbuf *m); 284void mac_syncache_destroy(struct label **l); 285int mac_syncache_init(struct label **l); 286 287int mac_system_check_acct(struct ucred *cred, struct vnode *vp); 288int mac_system_check_audit(struct ucred *cred, void *record, int length); 289int mac_system_check_auditctl(struct ucred *cred, struct vnode *vp); 290int mac_system_check_auditon(struct ucred *cred, int cmd); 291int mac_system_check_reboot(struct ucred *cred, int howto); 292int mac_system_check_swapon(struct ucred *cred, struct vnode *vp); 293int mac_system_check_swapoff(struct ucred *cred, struct vnode *vp); 294int mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 295 void *arg1, int arg2, struct sysctl_req *req); 296 297void mac_sysvmsg_cleanup(struct msg *msgptr); 298void mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr, 299 struct msg *msgptr); 300void mac_sysvmsg_destroy(struct msg *); 301void mac_sysvmsg_init(struct msg *); 302 303int mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr, 304 struct msqid_kernel *msqkptr); 305int mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr); 306int mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr); 307int mac_sysvmsq_check_msqctl(struct ucred *cred, 308 struct msqid_kernel *msqkptr, int cmd); 309int mac_sysvmsq_check_msqget(struct ucred *cred, 310 struct msqid_kernel *msqkptr); 311int mac_sysvmsq_check_msqrcv(struct ucred *cred, 312 struct msqid_kernel *msqkptr); 313int mac_sysvmsq_check_msqsnd(struct ucred *cred, 314 struct msqid_kernel *msqkptr); 315void mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr); 316void mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr); 317void mac_sysvmsq_destroy(struct msqid_kernel *); 318void mac_sysvmsq_init(struct msqid_kernel *); 319 320int mac_sysvsem_check_semctl(struct ucred *cred, 321 struct semid_kernel *semakptr, int cmd); 322int mac_sysvsem_check_semget(struct ucred *cred, 323 struct semid_kernel *semakptr); 324int mac_sysvsem_check_semop(struct ucred *cred, 325 struct semid_kernel *semakptr, size_t accesstype); 326void mac_sysvsem_cleanup(struct semid_kernel *semakptr); 327void mac_sysvsem_create(struct ucred *cred, 328 struct semid_kernel *semakptr); 329void mac_sysvsem_destroy(struct semid_kernel *); 330void mac_sysvsem_init(struct semid_kernel *); 331 332int mac_sysvshm_check_shmat(struct ucred *cred, 333 struct shmid_kernel *shmsegptr, int shmflg); 334int mac_sysvshm_check_shmctl(struct ucred *cred, 335 struct shmid_kernel *shmsegptr, int cmd); 336int mac_sysvshm_check_shmdt(struct ucred *cred, 337 struct shmid_kernel *shmsegptr); 338int mac_sysvshm_check_shmget(struct ucred *cred, 339 struct shmid_kernel *shmsegptr, int shmflg); 340void mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr); 341void mac_sysvshm_create(struct ucred *cred, 342 struct shmid_kernel *shmsegptr); 343void mac_sysvshm_destroy(struct shmid_kernel *); 344void mac_sysvshm_init(struct shmid_kernel *); 345 346void mac_thread_userret(struct thread *td); 347 348int mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp); 349void mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp); 350int mac_vnode_check_access(struct ucred *cred, struct vnode *vp, 351 int acc_mode); 352int mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp); 353int mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp); 354int mac_vnode_check_create(struct ucred *cred, struct vnode *dvp, 355 struct componentname *cnp, struct vattr *vap); 356int mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, 357 acl_type_t type); 358int mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, 359 int attrnamespace, const char *name); 360int mac_vnode_check_exec(struct ucred *cred, struct vnode *vp, 361 struct image_params *imgp); 362int mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp, 363 acl_type_t type); 364int mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, 365 int attrnamespace, const char *name, struct uio *uio); 366int mac_vnode_check_link(struct ucred *cred, struct vnode *dvp, 367 struct vnode *vp, struct componentname *cnp); 368int mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, 369 int attrnamespace); 370int mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, 371 struct componentname *cnp); 372int mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot, 373 int flags); 374int mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp, 375 int prot); 376int mac_vnode_check_open(struct ucred *cred, struct vnode *vp, 377 int acc_mode); 378int mac_vnode_check_poll(struct ucred *active_cred, 379 struct ucred *file_cred, struct vnode *vp); 380int mac_vnode_check_read(struct ucred *active_cred, 381 struct ucred *file_cred, struct vnode *vp); 382int mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp); 383int mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp); 384int mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, 385 struct vnode *vp, struct componentname *cnp); 386int mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, 387 struct vnode *vp, int samedir, struct componentname *cnp); 388int mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp); 389int mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp, 390 acl_type_t type, struct acl *acl); 391int mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, 392 int attrnamespace, const char *name, struct uio *uio); 393int mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp, 394 u_long flags); 395int mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp, 396 mode_t mode); 397int mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp, 398 uid_t uid, gid_t gid); 399int mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, 400 struct timespec atime, struct timespec mtime); 401int mac_vnode_check_stat(struct ucred *active_cred, 402 struct ucred *file_cred, struct vnode *vp); 403int mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, 404 struct vnode *vp, struct componentname *cnp); 405int mac_vnode_check_write(struct ucred *active_cred, 406 struct ucred *file_cred, struct vnode *vp); 407void mac_vnode_copy_label(struct label *, struct label *); 408void mac_vnode_init(struct vnode *); 409int mac_vnode_create_extattr(struct ucred *cred, struct mount *mp, 410 struct vnode *dvp, struct vnode *vp, struct componentname *cnp); 411void mac_vnode_destroy(struct vnode *); 412void mac_vnode_execve_transition(struct ucred *oldcred, 413 struct ucred *newcred, struct vnode *vp, 414 struct label *interpvplabel, struct image_params *imgp); 415int mac_vnode_execve_will_transition(struct ucred *cred, 416 struct vnode *vp, struct label *interpvplabel, 417 struct image_params *imgp); 418void mac_vnode_relabel(struct ucred *cred, struct vnode *vp, 419 struct label *newlabel); 420 421struct label *mac_cred_label_alloc(void); 422void mac_cred_label_free(struct label *); 423struct label *mac_vnode_label_alloc(void); 424void mac_vnode_label_free(struct label *); 425 426void mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred); 427 428/* 429 * Calls to help various file systems implement labeling functionality using 430 * their existing EA implementation. 431 */ 432int vop_stdsetlabel_ea(struct vop_setlabel_args *ap); 433 434#endif /* !_SYS_SECURITY_MAC_MAC_FRAMEWORK_H_ */ 435