1/*-
2 * Copyright (c) 1999-2002 Robert N. M. Watson
3 * Copyright (c) 2001-2003 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed by Robert Watson for the TrustedBSD Project.
7 *
8 * This software was developed for the FreeBSD Project in part by Network
9 * Associates Laboratories, the Security Research Division of Network
10 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
11 * as part of the DARPA CHATS research program.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD: head/sys/security/mac/mac_framework.h 126097 2004-02-22 00:33:12Z rwatson $
35 */
36/*
37 * Userland/kernel interface for Mandatory Access Control.
38 *
39 * The POSIX.1e implementation page may be reached at:
40 * http://www.trustedbsd.org/
41 */
42#ifndef _SYS_MAC_H
43#define _SYS_MAC_H
44
45#include <sys/_label.h>
46
47#ifndef _POSIX_MAC
48#define _POSIX_MAC
49#endif
50
51/*
52 * MAC framework-related constants and limits.
53 */
54#define MAC_MAX_POLICY_NAME 32
55#define MAC_MAX_LABEL_ELEMENT_NAME 32
56#define MAC_MAX_LABEL_ELEMENT_DATA 4096
57#define MAC_MAX_LABEL_BUF_LEN 8192
58
59struct mac {
60 size_t m_buflen;
61 char *m_string;
62};
63
64typedef struct mac *mac_t;
65
66#ifndef _KERNEL
67
68/*
69 * Location of the userland MAC framework configuration file. mac.conf
70 * binds policy names to shared libraries that understand those policies,
71 * as well as setting defaults for MAC-aware applications.
72 */
73#define MAC_CONFFILE "/etc/mac.conf"
74
75/*
76 * Extended non-POSIX.1e interfaces that offer additional services
77 * available from the userland and kernel MAC frameworks.
78 */
79__BEGIN_DECLS
80int mac_execve(char *fname, char **argv, char **envv, mac_t _label);
81int mac_free(mac_t _label);
82int mac_from_text(mac_t *_label, const char *_text);
83int mac_get_fd(int _fd, mac_t _label);
84int mac_get_file(const char *_path, mac_t _label);
85int mac_get_link(const char *_path, mac_t _label);
86int mac_get_peer(int _fd, mac_t _label);
87int mac_get_pid(pid_t _pid, mac_t _label);
88int mac_get_proc(mac_t _label);
89int mac_is_present(const char *_policyname);
90int mac_prepare(mac_t *_label, const char *_elements);
91int mac_prepare_file_label(mac_t *_label);
92int mac_prepare_ifnet_label(mac_t *_label);
93int mac_prepare_process_label(mac_t *_label);
94int mac_prepare_type(mac_t *_label, const char *_type);
95int mac_set_fd(int _fildes, const mac_t _label);
96int mac_set_file(const char *_path, mac_t _label);
97int mac_set_link(const char *_path, mac_t _label);
98int mac_set_proc(const mac_t _label);
99int mac_syscall(const char *_policyname, int _call, void *_arg);
100int mac_to_text(mac_t mac, char **_text);
101__END_DECLS
102
103#else /* _KERNEL */
104
105/*
106 * Kernel functions to manage and evaluate labels.
107 */
108struct bpf_d;
109struct componentname;
110struct devfs_dirent;
111struct ifnet;
112struct ifreq;
113struct inpcb;
114struct image_params;
115struct inpcb;
116struct ipq;
117struct m_tag;
118struct mbuf;
119struct mount;
120struct proc;
121struct sockaddr;
122struct socket;
123struct pipepair;
124struct thread;
125struct timespec;
126struct ucred;
127struct uio;
128struct vattr;
129struct vnode;
130
131#include <sys/acl.h> /* XXX acl_type_t */
132
133struct vop_setlabel_args;
134
135/*
136 * Label operations.
137 */
138void mac_init_bpfdesc(struct bpf_d *);
139void mac_init_cred(struct ucred *);
140void mac_init_devfsdirent(struct devfs_dirent *);
141void mac_init_ifnet(struct ifnet *);
142int mac_init_inpcb(struct inpcb *, int flag);
143int mac_init_ipq(struct ipq *, int flag);
144int mac_init_socket(struct socket *, int flag);
145void mac_init_pipe(struct pipepair *);
146int mac_init_mbuf(struct mbuf *mbuf, int flag);
147int mac_init_mbuf_tag(struct m_tag *, int flag);
148void mac_init_mount(struct mount *);
149void mac_init_proc(struct proc *);
150void mac_init_vnode(struct vnode *);
151void mac_copy_mbuf_tag(struct m_tag *, struct m_tag *);
152void mac_copy_vnode_label(struct label *, struct label *label);
153void mac_destroy_bpfdesc(struct bpf_d *);
154void mac_destroy_cred(struct ucred *);
155void mac_destroy_devfsdirent(struct devfs_dirent *);
156void mac_destroy_ifnet(struct ifnet *);
157void mac_destroy_inpcb(struct inpcb *);
158void mac_destroy_ipq(struct ipq *);
159void mac_destroy_socket(struct socket *);
160void mac_destroy_pipe(struct pipepair *);
161void mac_destroy_proc(struct proc *);
162void mac_destroy_mbuf_tag(struct m_tag *);
163void mac_destroy_mount(struct mount *);
164void mac_destroy_vnode(struct vnode *);
165
166struct label *mac_cred_label_alloc(void);
167void mac_cred_label_free(struct label *label);
168struct label *mac_vnode_label_alloc(void);
169void mac_vnode_label_free(struct label *label);
170
171/*
172 * Labeling event operations: file system objects, and things that
173 * look a lot like file system objects.
174 */
175void mac_associate_vnode_devfs(struct mount *mp, struct devfs_dirent *de,
176 struct vnode *vp);
177int mac_associate_vnode_extattr(struct mount *mp, struct vnode *vp);
178void mac_associate_vnode_singlelabel(struct mount *mp, struct vnode *vp);
179void mac_create_devfs_device(struct mount *mp, dev_t dev,
180 struct devfs_dirent *de);
181void mac_create_devfs_directory(struct mount *mp, char *dirname,
182 int dirnamelen, struct devfs_dirent *de);
183void mac_create_devfs_symlink(struct ucred *cred, struct mount *mp,
184 struct devfs_dirent *dd, struct devfs_dirent *de);
185int mac_create_vnode_extattr(struct ucred *cred, struct mount *mp,
186 struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
187void mac_create_mount(struct ucred *cred, struct mount *mp);
188void mac_create_root_mount(struct ucred *cred, struct mount *mp);
189void mac_relabel_vnode(struct ucred *cred, struct vnode *vp,
190 struct label *newlabel);
191void mac_update_devfsdirent(struct mount *mp, struct devfs_dirent *de,
192 struct vnode *vp);
193
194/*
195 * Labeling event operations: IPC objects.
196 */
197void mac_create_mbuf_from_socket(struct socket *so, struct mbuf *m);
198void mac_create_socket(struct ucred *cred, struct socket *socket);
199void mac_create_socket_from_socket(struct socket *oldsocket,
200 struct socket *newsocket);
201void mac_set_socket_peer_from_mbuf(struct mbuf *mbuf,
202 struct socket *socket);
203void mac_set_socket_peer_from_socket(struct socket *oldsocket,
204 struct socket *newsocket);
205void mac_create_pipe(struct ucred *cred, struct pipepair *pp);
206
207/*
208 * Labeling event operations: network objects.
209 */
210void mac_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d);
211void mac_create_ifnet(struct ifnet *ifp);
212void mac_create_inpcb_from_socket(struct socket *so, struct inpcb *inp);
213void mac_create_ipq(struct mbuf *fragment, struct ipq *ipq);
214void mac_create_datagram_from_ipq(struct ipq *ipq, struct mbuf *datagram);
215void mac_create_fragment(struct mbuf *datagram, struct mbuf *fragment);
216void mac_create_mbuf_from_inpcb(struct inpcb *inp, struct mbuf *m);
217void mac_create_mbuf_from_mbuf(struct mbuf *oldmbuf, struct mbuf *newmbuf);
218void mac_create_mbuf_linklayer(struct ifnet *ifnet, struct mbuf *m);
219void mac_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct mbuf *m);
220void mac_create_mbuf_from_ifnet(struct ifnet *ifnet, struct mbuf *m);
221void mac_create_mbuf_multicast_encap(struct mbuf *oldmbuf,
222 struct ifnet *ifnet, struct mbuf *newmbuf);
223void mac_create_mbuf_netlayer(struct mbuf *oldmbuf, struct mbuf *newmbuf);
224int mac_fragment_match(struct mbuf *fragment, struct ipq *ipq);
225void mac_reflect_mbuf_icmp(struct mbuf *m);
226void mac_reflect_mbuf_tcp(struct mbuf *m);
227void mac_update_ipq(struct mbuf *fragment, struct ipq *ipq);
228void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp);
229
230/*
231 * Labeling event operations: processes.
232 */
233void mac_copy_cred(struct ucred *cr1, struct ucred *cr2);
234int mac_execve_enter(struct image_params *imgp, struct mac *mac_p);
235void mac_execve_exit(struct image_params *imgp);
236void mac_execve_transition(struct ucred *old, struct ucred *new,
237 struct vnode *vp, struct label *interpvnodelabel,
238 struct image_params *imgp);
239int mac_execve_will_transition(struct ucred *old, struct vnode *vp,
240 struct label *interpvnodelabel, struct image_params *imgp);
241void mac_create_proc0(struct ucred *cred);
242void mac_create_proc1(struct ucred *cred);
243void mac_thread_userret(struct thread *td);
244
245/* Access control checks. */
246int mac_check_bpfdesc_receive(struct bpf_d *bpf_d, struct ifnet *ifnet);
247int mac_check_cred_visible(struct ucred *u1, struct ucred *u2);
248int mac_check_ifnet_transmit(struct ifnet *ifnet, struct mbuf *m);
249int mac_check_inpcb_deliver(struct inpcb *inp, struct mbuf *m);
250int mac_check_kenv_dump(struct ucred *cred);
251int mac_check_kenv_get(struct ucred *cred, char *name);
252int mac_check_kenv_set(struct ucred *cred, char *name, char *value);
253int mac_check_kenv_unset(struct ucred *cred, char *name);
254int mac_check_kld_load(struct ucred *cred, struct vnode *vp);
255int mac_check_kld_stat(struct ucred *cred);
256int mac_check_kld_unload(struct ucred *cred);
257int mac_check_mount_stat(struct ucred *cred, struct mount *mp);
258int mac_check_pipe_ioctl(struct ucred *cred, struct pipepair *pp,
259 unsigned long cmd, void *data);
260int mac_check_pipe_poll(struct ucred *cred, struct pipepair *pp);
261int mac_check_pipe_read(struct ucred *cred, struct pipepair *pp);
262int mac_check_pipe_stat(struct ucred *cred, struct pipepair *pp);
263int mac_check_pipe_write(struct ucred *cred, struct pipepair *pp);
264int mac_check_proc_debug(struct ucred *cred, struct proc *proc);
265int mac_check_proc_sched(struct ucred *cred, struct proc *proc);
266int mac_check_proc_signal(struct ucred *cred, struct proc *proc,
267 int signum);
268int mac_check_socket_bind(struct ucred *cred, struct socket *so,
269 struct sockaddr *sockaddr);
270int mac_check_socket_connect(struct ucred *cred, struct socket *so,
271 struct sockaddr *sockaddr);
272int mac_check_socket_deliver(struct socket *so, struct mbuf *m);
273int mac_check_socket_listen(struct ucred *cred, struct socket *so);
274int mac_check_socket_receive(struct ucred *cred, struct socket *so);
275int mac_check_socket_send(struct ucred *cred, struct socket *so);
276int mac_check_socket_visible(struct ucred *cred, struct socket *so);
277int mac_check_sysarch_ioperm(struct ucred *cred);
278int mac_check_system_acct(struct ucred *cred, struct vnode *vp);
279int mac_check_system_nfsd(struct ucred *cred);
280int mac_check_system_reboot(struct ucred *cred, int howto);
281int mac_check_system_settime(struct ucred *cred);
282int mac_check_system_swapon(struct ucred *cred, struct vnode *vp);
283int mac_check_system_swapoff(struct ucred *cred, struct vnode *vp);
284int mac_check_system_sysctl(struct ucred *cred, int *name,
285 u_int namelen, void *old, size_t *oldlenp, int inkernel,
286 void *new, size_t newlen);
287int mac_check_vnode_access(struct ucred *cred, struct vnode *vp,
288 int acc_mode);
289int mac_check_vnode_chdir(struct ucred *cred, struct vnode *dvp);
290int mac_check_vnode_chroot(struct ucred *cred, struct vnode *dvp);
291int mac_check_vnode_create(struct ucred *cred, struct vnode *dvp,
292 struct componentname *cnp, struct vattr *vap);
293int mac_check_vnode_delete(struct ucred *cred, struct vnode *dvp,
294 struct vnode *vp, struct componentname *cnp);
295int mac_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
296 acl_type_t type);
297int mac_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp,
298 int attrnamespace, const char *name);
299int mac_check_vnode_exec(struct ucred *cred, struct vnode *vp,
300 struct image_params *imgp);
301int mac_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
302 acl_type_t type);
303int mac_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
304 int attrnamespace, const char *name, struct uio *uio);
305int mac_check_vnode_link(struct ucred *cred, struct vnode *dvp,
306 struct vnode *vp, struct componentname *cnp);
307int mac_check_vnode_listextattr(struct ucred *cred, struct vnode *vp,
308 int attrnamespace);
309int mac_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
310 struct componentname *cnp);
311int mac_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
312 int prot);
313int mac_check_vnode_mprotect(struct ucred *cred, struct vnode *vp,
314 int prot);
315int mac_check_vnode_open(struct ucred *cred, struct vnode *vp,
316 int acc_mode);
317int mac_check_vnode_poll(struct ucred *active_cred,
318 struct ucred *file_cred, struct vnode *vp);
319int mac_check_vnode_read(struct ucred *active_cred,
320 struct ucred *file_cred, struct vnode *vp);
321int mac_check_vnode_readdir(struct ucred *cred, struct vnode *vp);
322int mac_check_vnode_readlink(struct ucred *cred, struct vnode *vp);
323int mac_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
324 struct vnode *vp, struct componentname *cnp);
325int mac_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
326 struct vnode *vp, int samedir, struct componentname *cnp);
327int mac_check_vnode_revoke(struct ucred *cred, struct vnode *vp);
328int mac_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
329 acl_type_t type, struct acl *acl);
330int mac_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
331 int attrnamespace, const char *name, struct uio *uio);
332int mac_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
333 u_long flags);
334int mac_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
335 mode_t mode);
336int mac_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
337 uid_t uid, gid_t gid);
338int mac_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
339 struct timespec atime, struct timespec mtime);
340int mac_check_vnode_stat(struct ucred *active_cred,
341 struct ucred *file_cred, struct vnode *vp);
342int mac_check_vnode_write(struct ucred *active_cred,
343 struct ucred *file_cred, struct vnode *vp);
344int mac_getsockopt_label(struct ucred *cred, struct socket *so,
345 struct mac *extmac);
346int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so,
347 struct mac *extmac);
348int mac_ioctl_ifnet_get(struct ucred *cred, struct ifreq *ifr,
349 struct ifnet *ifnet);
350int mac_ioctl_ifnet_set(struct ucred *cred, struct ifreq *ifr,
351 struct ifnet *ifnet);
352int mac_setsockopt_label(struct ucred *cred, struct socket *so,
353 struct mac *extmac);
354int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp,
355 struct label *label);
356void mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred);
357
358/*
359 * Calls to help various file systems implement labeling functionality
360 * using their existing EA implementation.
361 */
362int vop_stdsetlabel_ea(struct vop_setlabel_args *ap);
363
364#endif /* !_KERNEL */
365
366#endif /* !_SYS_MAC_H */
2 * Copyright (c) 1999-2002 Robert N. M. Watson
3 * Copyright (c) 2001-2003 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed by Robert Watson for the TrustedBSD Project.
7 *
8 * This software was developed for the FreeBSD Project in part by Network
9 * Associates Laboratories, the Security Research Division of Network
10 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
11 * as part of the DARPA CHATS research program.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD: head/sys/security/mac/mac_framework.h 126097 2004-02-22 00:33:12Z rwatson $
35 */
36/*
37 * Userland/kernel interface for Mandatory Access Control.
38 *
39 * The POSIX.1e implementation page may be reached at:
40 * http://www.trustedbsd.org/
41 */
42#ifndef _SYS_MAC_H
43#define _SYS_MAC_H
44
45#include <sys/_label.h>
46
47#ifndef _POSIX_MAC
48#define _POSIX_MAC
49#endif
50
51/*
52 * MAC framework-related constants and limits.
53 */
54#define MAC_MAX_POLICY_NAME 32
55#define MAC_MAX_LABEL_ELEMENT_NAME 32
56#define MAC_MAX_LABEL_ELEMENT_DATA 4096
57#define MAC_MAX_LABEL_BUF_LEN 8192
58
59struct mac {
60 size_t m_buflen;
61 char *m_string;
62};
63
64typedef struct mac *mac_t;
65
66#ifndef _KERNEL
67
68/*
69 * Location of the userland MAC framework configuration file. mac.conf
70 * binds policy names to shared libraries that understand those policies,
71 * as well as setting defaults for MAC-aware applications.
72 */
73#define MAC_CONFFILE "/etc/mac.conf"
74
75/*
76 * Extended non-POSIX.1e interfaces that offer additional services
77 * available from the userland and kernel MAC frameworks.
78 */
79__BEGIN_DECLS
80int mac_execve(char *fname, char **argv, char **envv, mac_t _label);
81int mac_free(mac_t _label);
82int mac_from_text(mac_t *_label, const char *_text);
83int mac_get_fd(int _fd, mac_t _label);
84int mac_get_file(const char *_path, mac_t _label);
85int mac_get_link(const char *_path, mac_t _label);
86int mac_get_peer(int _fd, mac_t _label);
87int mac_get_pid(pid_t _pid, mac_t _label);
88int mac_get_proc(mac_t _label);
89int mac_is_present(const char *_policyname);
90int mac_prepare(mac_t *_label, const char *_elements);
91int mac_prepare_file_label(mac_t *_label);
92int mac_prepare_ifnet_label(mac_t *_label);
93int mac_prepare_process_label(mac_t *_label);
94int mac_prepare_type(mac_t *_label, const char *_type);
95int mac_set_fd(int _fildes, const mac_t _label);
96int mac_set_file(const char *_path, mac_t _label);
97int mac_set_link(const char *_path, mac_t _label);
98int mac_set_proc(const mac_t _label);
99int mac_syscall(const char *_policyname, int _call, void *_arg);
100int mac_to_text(mac_t mac, char **_text);
101__END_DECLS
102
103#else /* _KERNEL */
104
105/*
106 * Kernel functions to manage and evaluate labels.
107 */
108struct bpf_d;
109struct componentname;
110struct devfs_dirent;
111struct ifnet;
112struct ifreq;
113struct inpcb;
114struct image_params;
115struct inpcb;
116struct ipq;
117struct m_tag;
118struct mbuf;
119struct mount;
120struct proc;
121struct sockaddr;
122struct socket;
123struct pipepair;
124struct thread;
125struct timespec;
126struct ucred;
127struct uio;
128struct vattr;
129struct vnode;
130
131#include <sys/acl.h> /* XXX acl_type_t */
132
133struct vop_setlabel_args;
134
135/*
136 * Label operations.
137 */
138void mac_init_bpfdesc(struct bpf_d *);
139void mac_init_cred(struct ucred *);
140void mac_init_devfsdirent(struct devfs_dirent *);
141void mac_init_ifnet(struct ifnet *);
142int mac_init_inpcb(struct inpcb *, int flag);
143int mac_init_ipq(struct ipq *, int flag);
144int mac_init_socket(struct socket *, int flag);
145void mac_init_pipe(struct pipepair *);
146int mac_init_mbuf(struct mbuf *mbuf, int flag);
147int mac_init_mbuf_tag(struct m_tag *, int flag);
148void mac_init_mount(struct mount *);
149void mac_init_proc(struct proc *);
150void mac_init_vnode(struct vnode *);
151void mac_copy_mbuf_tag(struct m_tag *, struct m_tag *);
152void mac_copy_vnode_label(struct label *, struct label *label);
153void mac_destroy_bpfdesc(struct bpf_d *);
154void mac_destroy_cred(struct ucred *);
155void mac_destroy_devfsdirent(struct devfs_dirent *);
156void mac_destroy_ifnet(struct ifnet *);
157void mac_destroy_inpcb(struct inpcb *);
158void mac_destroy_ipq(struct ipq *);
159void mac_destroy_socket(struct socket *);
160void mac_destroy_pipe(struct pipepair *);
161void mac_destroy_proc(struct proc *);
162void mac_destroy_mbuf_tag(struct m_tag *);
163void mac_destroy_mount(struct mount *);
164void mac_destroy_vnode(struct vnode *);
165
166struct label *mac_cred_label_alloc(void);
167void mac_cred_label_free(struct label *label);
168struct label *mac_vnode_label_alloc(void);
169void mac_vnode_label_free(struct label *label);
170
171/*
172 * Labeling event operations: file system objects, and things that
173 * look a lot like file system objects.
174 */
175void mac_associate_vnode_devfs(struct mount *mp, struct devfs_dirent *de,
176 struct vnode *vp);
177int mac_associate_vnode_extattr(struct mount *mp, struct vnode *vp);
178void mac_associate_vnode_singlelabel(struct mount *mp, struct vnode *vp);
179void mac_create_devfs_device(struct mount *mp, dev_t dev,
180 struct devfs_dirent *de);
181void mac_create_devfs_directory(struct mount *mp, char *dirname,
182 int dirnamelen, struct devfs_dirent *de);
183void mac_create_devfs_symlink(struct ucred *cred, struct mount *mp,
184 struct devfs_dirent *dd, struct devfs_dirent *de);
185int mac_create_vnode_extattr(struct ucred *cred, struct mount *mp,
186 struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
187void mac_create_mount(struct ucred *cred, struct mount *mp);
188void mac_create_root_mount(struct ucred *cred, struct mount *mp);
189void mac_relabel_vnode(struct ucred *cred, struct vnode *vp,
190 struct label *newlabel);
191void mac_update_devfsdirent(struct mount *mp, struct devfs_dirent *de,
192 struct vnode *vp);
193
194/*
195 * Labeling event operations: IPC objects.
196 */
197void mac_create_mbuf_from_socket(struct socket *so, struct mbuf *m);
198void mac_create_socket(struct ucred *cred, struct socket *socket);
199void mac_create_socket_from_socket(struct socket *oldsocket,
200 struct socket *newsocket);
201void mac_set_socket_peer_from_mbuf(struct mbuf *mbuf,
202 struct socket *socket);
203void mac_set_socket_peer_from_socket(struct socket *oldsocket,
204 struct socket *newsocket);
205void mac_create_pipe(struct ucred *cred, struct pipepair *pp);
206
207/*
208 * Labeling event operations: network objects.
209 */
210void mac_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d);
211void mac_create_ifnet(struct ifnet *ifp);
212void mac_create_inpcb_from_socket(struct socket *so, struct inpcb *inp);
213void mac_create_ipq(struct mbuf *fragment, struct ipq *ipq);
214void mac_create_datagram_from_ipq(struct ipq *ipq, struct mbuf *datagram);
215void mac_create_fragment(struct mbuf *datagram, struct mbuf *fragment);
216void mac_create_mbuf_from_inpcb(struct inpcb *inp, struct mbuf *m);
217void mac_create_mbuf_from_mbuf(struct mbuf *oldmbuf, struct mbuf *newmbuf);
218void mac_create_mbuf_linklayer(struct ifnet *ifnet, struct mbuf *m);
219void mac_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct mbuf *m);
220void mac_create_mbuf_from_ifnet(struct ifnet *ifnet, struct mbuf *m);
221void mac_create_mbuf_multicast_encap(struct mbuf *oldmbuf,
222 struct ifnet *ifnet, struct mbuf *newmbuf);
223void mac_create_mbuf_netlayer(struct mbuf *oldmbuf, struct mbuf *newmbuf);
224int mac_fragment_match(struct mbuf *fragment, struct ipq *ipq);
225void mac_reflect_mbuf_icmp(struct mbuf *m);
226void mac_reflect_mbuf_tcp(struct mbuf *m);
227void mac_update_ipq(struct mbuf *fragment, struct ipq *ipq);
228void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp);
229
230/*
231 * Labeling event operations: processes.
232 */
233void mac_copy_cred(struct ucred *cr1, struct ucred *cr2);
234int mac_execve_enter(struct image_params *imgp, struct mac *mac_p);
235void mac_execve_exit(struct image_params *imgp);
236void mac_execve_transition(struct ucred *old, struct ucred *new,
237 struct vnode *vp, struct label *interpvnodelabel,
238 struct image_params *imgp);
239int mac_execve_will_transition(struct ucred *old, struct vnode *vp,
240 struct label *interpvnodelabel, struct image_params *imgp);
241void mac_create_proc0(struct ucred *cred);
242void mac_create_proc1(struct ucred *cred);
243void mac_thread_userret(struct thread *td);
244
245/* Access control checks. */
246int mac_check_bpfdesc_receive(struct bpf_d *bpf_d, struct ifnet *ifnet);
247int mac_check_cred_visible(struct ucred *u1, struct ucred *u2);
248int mac_check_ifnet_transmit(struct ifnet *ifnet, struct mbuf *m);
249int mac_check_inpcb_deliver(struct inpcb *inp, struct mbuf *m);
250int mac_check_kenv_dump(struct ucred *cred);
251int mac_check_kenv_get(struct ucred *cred, char *name);
252int mac_check_kenv_set(struct ucred *cred, char *name, char *value);
253int mac_check_kenv_unset(struct ucred *cred, char *name);
254int mac_check_kld_load(struct ucred *cred, struct vnode *vp);
255int mac_check_kld_stat(struct ucred *cred);
256int mac_check_kld_unload(struct ucred *cred);
257int mac_check_mount_stat(struct ucred *cred, struct mount *mp);
258int mac_check_pipe_ioctl(struct ucred *cred, struct pipepair *pp,
259 unsigned long cmd, void *data);
260int mac_check_pipe_poll(struct ucred *cred, struct pipepair *pp);
261int mac_check_pipe_read(struct ucred *cred, struct pipepair *pp);
262int mac_check_pipe_stat(struct ucred *cred, struct pipepair *pp);
263int mac_check_pipe_write(struct ucred *cred, struct pipepair *pp);
264int mac_check_proc_debug(struct ucred *cred, struct proc *proc);
265int mac_check_proc_sched(struct ucred *cred, struct proc *proc);
266int mac_check_proc_signal(struct ucred *cred, struct proc *proc,
267 int signum);
268int mac_check_socket_bind(struct ucred *cred, struct socket *so,
269 struct sockaddr *sockaddr);
270int mac_check_socket_connect(struct ucred *cred, struct socket *so,
271 struct sockaddr *sockaddr);
272int mac_check_socket_deliver(struct socket *so, struct mbuf *m);
273int mac_check_socket_listen(struct ucred *cred, struct socket *so);
274int mac_check_socket_receive(struct ucred *cred, struct socket *so);
275int mac_check_socket_send(struct ucred *cred, struct socket *so);
276int mac_check_socket_visible(struct ucred *cred, struct socket *so);
277int mac_check_sysarch_ioperm(struct ucred *cred);
278int mac_check_system_acct(struct ucred *cred, struct vnode *vp);
279int mac_check_system_nfsd(struct ucred *cred);
280int mac_check_system_reboot(struct ucred *cred, int howto);
281int mac_check_system_settime(struct ucred *cred);
282int mac_check_system_swapon(struct ucred *cred, struct vnode *vp);
283int mac_check_system_swapoff(struct ucred *cred, struct vnode *vp);
284int mac_check_system_sysctl(struct ucred *cred, int *name,
285 u_int namelen, void *old, size_t *oldlenp, int inkernel,
286 void *new, size_t newlen);
287int mac_check_vnode_access(struct ucred *cred, struct vnode *vp,
288 int acc_mode);
289int mac_check_vnode_chdir(struct ucred *cred, struct vnode *dvp);
290int mac_check_vnode_chroot(struct ucred *cred, struct vnode *dvp);
291int mac_check_vnode_create(struct ucred *cred, struct vnode *dvp,
292 struct componentname *cnp, struct vattr *vap);
293int mac_check_vnode_delete(struct ucred *cred, struct vnode *dvp,
294 struct vnode *vp, struct componentname *cnp);
295int mac_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
296 acl_type_t type);
297int mac_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp,
298 int attrnamespace, const char *name);
299int mac_check_vnode_exec(struct ucred *cred, struct vnode *vp,
300 struct image_params *imgp);
301int mac_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
302 acl_type_t type);
303int mac_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
304 int attrnamespace, const char *name, struct uio *uio);
305int mac_check_vnode_link(struct ucred *cred, struct vnode *dvp,
306 struct vnode *vp, struct componentname *cnp);
307int mac_check_vnode_listextattr(struct ucred *cred, struct vnode *vp,
308 int attrnamespace);
309int mac_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
310 struct componentname *cnp);
311int mac_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
312 int prot);
313int mac_check_vnode_mprotect(struct ucred *cred, struct vnode *vp,
314 int prot);
315int mac_check_vnode_open(struct ucred *cred, struct vnode *vp,
316 int acc_mode);
317int mac_check_vnode_poll(struct ucred *active_cred,
318 struct ucred *file_cred, struct vnode *vp);
319int mac_check_vnode_read(struct ucred *active_cred,
320 struct ucred *file_cred, struct vnode *vp);
321int mac_check_vnode_readdir(struct ucred *cred, struct vnode *vp);
322int mac_check_vnode_readlink(struct ucred *cred, struct vnode *vp);
323int mac_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
324 struct vnode *vp, struct componentname *cnp);
325int mac_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
326 struct vnode *vp, int samedir, struct componentname *cnp);
327int mac_check_vnode_revoke(struct ucred *cred, struct vnode *vp);
328int mac_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
329 acl_type_t type, struct acl *acl);
330int mac_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
331 int attrnamespace, const char *name, struct uio *uio);
332int mac_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
333 u_long flags);
334int mac_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
335 mode_t mode);
336int mac_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
337 uid_t uid, gid_t gid);
338int mac_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
339 struct timespec atime, struct timespec mtime);
340int mac_check_vnode_stat(struct ucred *active_cred,
341 struct ucred *file_cred, struct vnode *vp);
342int mac_check_vnode_write(struct ucred *active_cred,
343 struct ucred *file_cred, struct vnode *vp);
344int mac_getsockopt_label(struct ucred *cred, struct socket *so,
345 struct mac *extmac);
346int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so,
347 struct mac *extmac);
348int mac_ioctl_ifnet_get(struct ucred *cred, struct ifreq *ifr,
349 struct ifnet *ifnet);
350int mac_ioctl_ifnet_set(struct ucred *cred, struct ifreq *ifr,
351 struct ifnet *ifnet);
352int mac_setsockopt_label(struct ucred *cred, struct socket *so,
353 struct mac *extmac);
354int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp,
355 struct label *label);
356void mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred);
357
358/*
359 * Calls to help various file systems implement labeling functionality
360 * using their existing EA implementation.
361 */
362int vop_stdsetlabel_ea(struct vop_setlabel_args *ap);
363
364#endif /* !_KERNEL */
365
366#endif /* !_SYS_MAC_H */