mac_framework.h revision 172990
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 172990 2007-10-25 22:45:25Z 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 * Kernel functions to manage and evaluate labels. 92 */ 93int mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp); 94void mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d); 95void mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m); 96void mac_bpfdesc_destroy(struct bpf_d *); 97void mac_bpfdesc_init(struct bpf_d *); 98 99int mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2); 100void mac_cred_copy(struct ucred *cr1, struct ucred *cr2); 101void mac_cred_destroy(struct ucred *); 102void mac_cred_init(struct ucred *); 103 104void mac_devfs_create_device(struct ucred *cred, struct mount *mp, 105 struct cdev *dev, struct devfs_dirent *de); 106void mac_devfs_create_directory(struct mount *mp, char *dirname, 107 int dirnamelen, struct devfs_dirent *de); 108void mac_devfs_create_symlink(struct ucred *cred, struct mount *mp, 109 struct devfs_dirent *dd, struct devfs_dirent *de); 110void mac_devfs_destroy(struct devfs_dirent *); 111void mac_devfs_init(struct devfs_dirent *); 112void mac_devfs_update(struct mount *mp, struct devfs_dirent *de, 113 struct vnode *vp); 114void mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de, 115 struct vnode *vp); 116 117int mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m); 118void mac_ifnet_create(struct ifnet *ifp); 119void mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m); 120void mac_ifnet_destroy(struct ifnet *); 121void mac_ifnet_init(struct ifnet *); 122int mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr, 123 struct ifnet *ifp); 124int mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr, 125 struct ifnet *ifp); 126 127int mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m); 128void mac_inpcb_create(struct socket *so, struct inpcb *inp); 129void mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m); 130void mac_inpcb_destroy(struct inpcb *); 131int mac_inpcb_init(struct inpcb *, int); 132void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp); 133 134void mac_ipq_create(struct mbuf *m, struct ipq *ipq); 135void mac_ipq_destroy(struct ipq *); 136int mac_ipq_init(struct ipq *, int); 137int mac_ipq_match(struct mbuf *m, struct ipq *ipq); 138void mac_ipq_reassemble(struct ipq *ipq, struct mbuf *m); 139void mac_ipq_update(struct mbuf *m, struct ipq *ipq); 140 141int mac_kenv_check_dump(struct ucred *cred); 142int mac_kenv_check_get(struct ucred *cred, char *name); 143int mac_kenv_check_set(struct ucred *cred, char *name, char *value); 144int mac_kenv_check_unset(struct ucred *cred, char *name); 145 146int mac_kld_check_load(struct ucred *cred, struct vnode *vp); 147int mac_kld_check_stat(struct ucred *cred); 148 149void mac_mbuf_copy(struct mbuf *, struct mbuf *); 150void mac_mbuf_create_from_firewall(struct mbuf *m); 151void mac_create_mbuf_linklayer(struct ifnet *ifp, struct mbuf *m); 152void mac_mbuf_create_multicast_encap(struct mbuf *m, struct ifnet *ifp, 153 struct mbuf *mnew); 154void mac_mbuf_create_netlayer(struct mbuf *m, struct mbuf *mnew); 155int mac_mbuf_init(struct mbuf *, int); 156 157void mac_mbuf_tag_copy(struct m_tag *, struct m_tag *); 158void mac_mbuf_tag_destroy(struct m_tag *); 159int mac_mbuf_tag_init(struct m_tag *, int); 160 161int mac_mount_check_stat(struct ucred *cred, struct mount *mp); 162void mac_mount_create(struct ucred *cred, struct mount *mp); 163void mac_mount_destroy(struct mount *); 164void mac_mount_init(struct mount *); 165 166void mac_netinet_fragment(struct mbuf *m, struct mbuf *frag); 167void mac_netinet_icmp_reply(struct mbuf *m); 168void mac_netinet_tcp_reply(struct mbuf *m); 169 170int mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp, 171 unsigned long cmd, void *data); 172int mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp); 173int mac_pipe_check_read(struct ucred *cred, struct pipepair *pp); 174int mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp); 175int mac_pipe_check_write(struct ucred *cred, struct pipepair *pp); 176void mac_pipe_create(struct ucred *cred, struct pipepair *pp); 177void mac_pipe_destroy(struct pipepair *); 178void mac_pipe_init(struct pipepair *); 179int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp, 180 struct label *label); 181 182int mac_posixsem_check_destroy(struct ucred *cred, struct ksem *ks); 183int mac_posixsem_check_getvalue(struct ucred *cred,struct ksem *ks); 184int mac_posixsem_check_open(struct ucred *cred, struct ksem *ks); 185int mac_posixsem_check_post(struct ucred *cred, struct ksem *ks); 186int mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks); 187int mac_posixsem_check_wait(struct ucred *cred, struct ksem *ks); 188void mac_posixsem_create(struct ucred *cred, struct ksem *ks); 189void mac_posixsem_destroy(struct ksem *); 190void mac_posixsem_init(struct ksem *); 191 192int mac_priv_check(struct ucred *cred, int priv); 193int mac_priv_grant(struct ucred *cred, int priv); 194 195void mac_proc_associate_nfsd(struct ucred *cred); 196int mac_proc_check_debug(struct ucred *cred, struct proc *p); 197int mac_proc_check_sched(struct ucred *cred, struct proc *p); 198int mac_proc_check_setaudit(struct ucred *cred, struct auditinfo *ai); 199int mac_proc_check_setaudit_addr(struct ucred *cred, 200 struct auditinfo_addr *aia); 201int mac_proc_check_setauid(struct ucred *cred, uid_t auid); 202int mac_proc_check_setegid(struct proc *p, struct ucred *cred, 203 gid_t egid); 204int mac_proc_check_seteuid(struct proc *p, struct ucred *cred, 205 uid_t euid); 206int mac_proc_check_setgid(struct proc *p, struct ucred *cred, 207 gid_t gid); 208int mac_proc_check_setgroups(struct proc *p, struct ucred *cred, 209 int ngroups, gid_t *gidset); 210int mac_proc_check_setregid(struct proc *p, struct ucred *cred, 211 gid_t rgid, gid_t egid); 212int mac_proc_check_setresgid(struct proc *p, struct ucred *cred, 213 gid_t rgid, gid_t egid, gid_t sgid); 214int mac_proc_check_setresuid(struct proc *p, struct ucred *cred, 215 uid_t ruid, uid_t euid, uid_t suid); 216int mac_proc_check_setreuid(struct proc *p, struct ucred *cred, 217 uid_t ruid, uid_t euid); 218int mac_proc_check_setuid(struct proc *p, struct ucred *cred, 219 uid_t uid); 220int mac_proc_check_signal(struct ucred *cred, struct proc *p, 221 int signum); 222int mac_proc_check_wait(struct ucred *cred, struct proc *p); 223void mac_proc_create_init(struct ucred *cred); 224void mac_proc_create_swapper(struct ucred *cred); 225void mac_proc_destroy(struct proc *); 226int mac_execve_enter(struct image_params *imgp, struct mac *mac_p); 227void mac_execve_exit(struct image_params *imgp); 228void mac_proc_init(struct proc *); 229 230int mac_socket_check_accept(struct ucred *cred, struct socket *so); 231int mac_socket_check_bind(struct ucred *cred, struct socket *so, 232 struct sockaddr *sa); 233int mac_socket_check_connect(struct ucred *cred, struct socket *so, 234 struct sockaddr *sa); 235int mac_socket_check_create(struct ucred *cred, int domain, int type, 236 int proto); 237int mac_socket_check_deliver(struct socket *so, struct mbuf *m); 238int mac_socket_check_listen(struct ucred *cred, struct socket *so); 239int mac_socket_check_poll(struct ucred *cred, struct socket *so); 240int mac_socket_check_receive(struct ucred *cred, struct socket *so); 241int mac_socket_check_send(struct ucred *cred, struct socket *so); 242int mac_socket_check_stat(struct ucred *cred, struct socket *so); 243int mac_socket_check_visible(struct ucred *cred, struct socket *so); 244void mac_socket_create_mbuf(struct socket *so, struct mbuf *m); 245void mac_socket_create(struct ucred *cred, struct socket *so); 246void mac_socket_destroy(struct socket *); 247int mac_socket_init(struct socket *, int); 248void mac_socket_newconn(struct socket *oldso, struct socket *newso); 249int mac_getsockopt_label(struct ucred *cred, struct socket *so, 250 struct mac *extmac); 251int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so, 252 struct mac *extmac); 253int mac_setsockopt_label(struct ucred *cred, struct socket *so, 254 struct mac *extmac); 255 256void mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so); 257void mac_socketpeer_set_from_socket(struct socket *oldso, 258 struct socket *newso); 259 260void mac_syncache_create(struct label *l, struct inpcb *inp); 261void mac_syncache_create_mbuf(struct label *l, struct mbuf *m); 262void mac_syncache_destroy(struct label **l); 263int mac_syncache_init(struct label **l); 264 265int mac_system_check_acct(struct ucred *cred, struct vnode *vp); 266int mac_system_check_audit(struct ucred *cred, void *record, int length); 267int mac_system_check_auditctl(struct ucred *cred, struct vnode *vp); 268int mac_system_check_auditon(struct ucred *cred, int cmd); 269int mac_system_check_reboot(struct ucred *cred, int howto); 270int mac_system_check_swapon(struct ucred *cred, struct vnode *vp); 271int mac_system_check_swapoff(struct ucred *cred, struct vnode *vp); 272int mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 273 void *arg1, int arg2, struct sysctl_req *req); 274 275void mac_sysvmsg_cleanup(struct msg *msgptr); 276void mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr, 277 struct msg *msgptr); 278void mac_sysvmsg_destroy(struct msg *); 279void mac_sysvmsg_init(struct msg *); 280 281int mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr, 282 struct msqid_kernel *msqkptr); 283int mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr); 284int mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr); 285int mac_sysvmsq_check_msqctl(struct ucred *cred, 286 struct msqid_kernel *msqkptr, int cmd); 287int mac_sysvmsq_check_msqget(struct ucred *cred, 288 struct msqid_kernel *msqkptr); 289int mac_sysvmsq_check_msqrcv(struct ucred *cred, 290 struct msqid_kernel *msqkptr); 291int mac_sysvmsq_check_msqsnd(struct ucred *cred, 292 struct msqid_kernel *msqkptr); 293void mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr); 294void mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr); 295void mac_sysvmsq_destroy(struct msqid_kernel *); 296void mac_sysvmsq_init(struct msqid_kernel *); 297 298int mac_sysvsem_check_semctl(struct ucred *cred, 299 struct semid_kernel *semakptr, int cmd); 300int mac_sysvsem_check_semget(struct ucred *cred, 301 struct semid_kernel *semakptr); 302int mac_sysvsem_check_semop(struct ucred *cred, 303 struct semid_kernel *semakptr, size_t accesstype); 304void mac_sysvsem_cleanup(struct semid_kernel *semakptr); 305void mac_sysvsem_create(struct ucred *cred, 306 struct semid_kernel *semakptr); 307void mac_sysvsem_destroy(struct semid_kernel *); 308void mac_sysvsem_init(struct semid_kernel *); 309 310int mac_sysvshm_check_shmat(struct ucred *cred, 311 struct shmid_kernel *shmsegptr, int shmflg); 312int mac_sysvshm_check_shmctl(struct ucred *cred, 313 struct shmid_kernel *shmsegptr, int cmd); 314int mac_sysvshm_check_shmdt(struct ucred *cred, 315 struct shmid_kernel *shmsegptr); 316int mac_sysvshm_check_shmget(struct ucred *cred, 317 struct shmid_kernel *shmsegptr, int shmflg); 318void mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr); 319void mac_sysvshm_create(struct ucred *cred, 320 struct shmid_kernel *shmsegptr); 321void mac_sysvshm_destroy(struct shmid_kernel *); 322void mac_sysvshm_init(struct shmid_kernel *); 323 324void mac_thread_userret(struct thread *td); 325 326int mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp); 327void mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp); 328int mac_vnode_check_access(struct ucred *cred, struct vnode *vp, 329 int acc_mode); 330int mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp); 331int mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp); 332int mac_vnode_check_create(struct ucred *cred, struct vnode *dvp, 333 struct componentname *cnp, struct vattr *vap); 334int mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, 335 acl_type_t type); 336int mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, 337 int attrnamespace, const char *name); 338int mac_vnode_check_exec(struct ucred *cred, struct vnode *vp, 339 struct image_params *imgp); 340int mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp, 341 acl_type_t type); 342int mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, 343 int attrnamespace, const char *name, struct uio *uio); 344int mac_vnode_check_link(struct ucred *cred, struct vnode *dvp, 345 struct vnode *vp, struct componentname *cnp); 346int mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, 347 int attrnamespace); 348int mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, 349 struct componentname *cnp); 350int mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot, 351 int flags); 352int mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp, 353 int prot); 354int mac_vnode_check_open(struct ucred *cred, struct vnode *vp, 355 int acc_mode); 356int mac_vnode_check_poll(struct ucred *active_cred, 357 struct ucred *file_cred, struct vnode *vp); 358int mac_vnode_check_read(struct ucred *active_cred, 359 struct ucred *file_cred, struct vnode *vp); 360int mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp); 361int mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp); 362int mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, 363 struct vnode *vp, struct componentname *cnp); 364int mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, 365 struct vnode *vp, int samedir, struct componentname *cnp); 366int mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp); 367int mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp, 368 acl_type_t type, struct acl *acl); 369int mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, 370 int attrnamespace, const char *name, struct uio *uio); 371int mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp, 372 u_long flags); 373int mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp, 374 mode_t mode); 375int mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp, 376 uid_t uid, gid_t gid); 377int mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, 378 struct timespec atime, struct timespec mtime); 379int mac_vnode_check_stat(struct ucred *active_cred, 380 struct ucred *file_cred, struct vnode *vp); 381int mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, 382 struct vnode *vp, struct componentname *cnp); 383int mac_vnode_check_write(struct ucred *active_cred, 384 struct ucred *file_cred, struct vnode *vp); 385void mac_vnode_copy_label(struct label *, struct label *); 386void mac_vnode_init(struct vnode *); 387int mac_vnode_create_extattr(struct ucred *cred, struct mount *mp, 388 struct vnode *dvp, struct vnode *vp, struct componentname *cnp); 389void mac_vnode_destroy(struct vnode *); 390void mac_vnode_execve_transition(struct ucred *oldcred, 391 struct ucred *newcred, struct vnode *vp, 392 struct label *interpvplabel, struct image_params *imgp); 393int mac_vnode_execve_will_transition(struct ucred *cred, 394 struct vnode *vp, struct label *interpvplabel, 395 struct image_params *imgp); 396void mac_vnode_relabel(struct ucred *cred, struct vnode *vp, 397 struct label *newlabel); 398 399struct label *mac_cred_label_alloc(void); 400void mac_cred_label_free(struct label *); 401struct label *mac_vnode_label_alloc(void); 402void mac_vnode_label_free(struct label *); 403 404void mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred); 405 406/* 407 * Calls to help various file systems implement labeling functionality using 408 * their existing EA implementation. 409 */ 410int vop_stdsetlabel_ea(struct vop_setlabel_args *ap); 411 412#endif /* !_SYS_SECURITY_MAC_MAC_FRAMEWORK_H_ */ 413