1/*
2 * $FreeBSD$
3 *
4 * Copyright (c) 2011, 2012, 2013, 2015, 2016, Juniper Networks, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef	_SECURITY_MAC_VERIEXEC_INTERNAL_H
30#define	_SECURITY_MAC_VERIEXEC_INTERNAL_H
31
32#ifndef _KERNEL
33#error "no user-serviceable parts inside"
34#endif
35
36#include <sys/queue.h>
37#include <sys/malloc.h>
38#include <sys/sysctl.h>
39
40#define MAC_VERIEXEC_FULLNAME   "MAC/veriexec"
41
42#define VERIEXEC_FILES_FIRST	1
43
44#if defined(VERIFIED_EXEC_DEBUG) || defined(VERIFIED_EXEC_DEBUG_VERBOSE)
45# define VERIEXEC_DEBUG(n, x) if (mac_veriexec_debug > (n)) printf x
46#else
47# define VERIEXEC_DEBUG(n, x)
48#endif
49
50struct mac_veriexec_file_info
51{
52	int flags;
53	long fileid;
54	unsigned long gen;
55	struct mac_veriexec_fpops *ops;
56	unsigned char fingerprint[MAXFINGERPRINTLEN];
57	LIST_ENTRY(mac_veriexec_file_info) entries;
58};
59
60MALLOC_DECLARE(M_VERIEXEC);
61
62SYSCTL_DECL(_security_mac_veriexec);
63
64struct cred;
65struct image_params;
66struct proc;
67struct sbuf;
68struct thread;
69struct ucred;
70struct vattr;
71struct vnode;
72
73int	mac_veriexec_metadata_fetch_fingerprint_status(struct vnode *vp,
74	    struct vattr *vap, struct thread *td, int check_files);
75int	mac_veriexec_metadata_get_executable_flags(struct ucred *cred,
76	    struct proc *p, int *flags, int check_files);
77int	mac_veriexec_metadata_get_file_flags(dev_t fsid, long fileid,
78	    unsigned long gen, int *flags, int check_files);
79void	mac_veriexec_metadata_init(void);
80void	mac_veriexec_metadata_print_db(struct sbuf *sbp);
81int	mac_veriexec_metadata_unmounted(dev_t fsid, struct thread *td);
82
83int	mac_veriexec_fingerprint_add_ops(struct mac_veriexec_fpops *fpops);
84
85int	mac_veriexec_fingerprint_check_image(struct image_params *imgp,
86	    int check_files, struct thread *td);
87int	mac_veriexec_fingerprint_check_vnode(struct vnode *vp,
88	    struct mac_veriexec_file_info *ip, struct thread *td,
89	    off_t file_size, unsigned char *fingerprint);
90void	mac_veriexec_fingerprint_init(void);
91struct mac_veriexec_fpops *
92	mac_veriexec_fingerprint_lookup_ops(const char *type);
93
94fingerprint_status_t
95	mac_veriexec_get_fingerprint_status(struct vnode *vp);
96int	mac_veriexec_get_state(void);
97int	mac_veriexec_in_state(int state);
98void	mac_veriexec_set_fingerprint_status(struct vnode *vp,
99	    fingerprint_status_t fp_status);
100void	mac_veriexec_set_state(int state);
101
102#endif	/* !_SECURITY_MAC_VERIEXEC_INTERNAL_H */
103