Differential D8554 Diff 22308 sys/security/mac_veriexec/mac_veriexec_internal.h

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sys/security/mac_veriexec/mac_veriexec_internal.h

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				/*
				* $FreeBSD$
				*
				* Copyright (c) 2011, 2012, 2013, 2015, 2016, Juniper Networks, Inc.
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
				* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
				* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
				* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
				* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
				* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
				* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
				* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
				* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*/

				#ifndef _SECURITY_MAC_VERIEXEC_INTERNAL_H
				#define _SECURITY_MAC_VERIEXEC_INTERNAL_H

				#ifndef _KERNEL
				#error "no user-serviceable parts inside"
				#endif

				#include <sys/queue.h>
				#include <sys/malloc.h>
				#include <sys/sysctl.h>

				#define MAC_VERIEXEC_FULLNAME "MAC/veriexec"

				#define VERIEXEC_FILES_FIRST 1

				#if defined(VERIFIED_EXEC_DEBUG) \|\| defined(VERIFIED_EXEC_DEBUG_VERBOSE)
				# define VERIEXEC_DEBUG(n, x) if (mac_veriexec_debug > (n)) printf x
				#else
				# define VERIEXEC_DEBUG(n, x)
				#endif

				struct mac_veriexec_file_info
				{
				int flags;
				long fileid;
				unsigned long gen;
				struct mac_veriexec_fpops *ops;
				unsigned char fingerprint[MAXFINGERPRINTLEN];
				LIST_ENTRY(mac_veriexec_file_info) entries;
				};

				MALLOC_DECLARE(M_VERIEXEC);

				SYSCTL_DECL(_security_mac_veriexec);

				struct cred;
				struct image_params;
				struct proc;
				struct sbuf;
				struct thread;
				struct ucred;
				struct vattr;
				struct vnode;

				int mac_veriexec_metadata_fetch_fingerprint_status(struct vnode *vp,
				struct vattr vap, struct thread td, int check_files);
				int mac_veriexec_metadata_get_executable_flags(struct ucred *cred,
				struct proc p, int flags, int check_files);
				int mac_veriexec_metadata_get_file_flags(dev_t fsid, long fileid,
				unsigned long gen, int *flags, int check_files);
				void mac_veriexec_metadata_init(void);
				void mac_veriexec_metadata_print_db(struct sbuf *sbp);
				int mac_veriexec_metadata_unmounted(dev_t fsid, struct thread *td);

				int mac_veriexec_fingerprint_add_ops(struct mac_veriexec_fpops *fpops);

				int mac_veriexec_fingerprint_check_image(struct image_params *imgp,
				int check_files, struct thread *td);
				int mac_veriexec_fingerprint_check_vnode(struct vnode *vp,
				struct mac_veriexec_file_info ip, struct thread td,
				off_t file_size, unsigned char *fingerprint);
				void mac_veriexec_fingerprint_init(void);
				struct mac_veriexec_fpops *
				mac_veriexec_fingerprint_lookup_ops(const char *type);

				fingerprint_status_t
				mac_veriexec_get_fingerprint_status(struct vnode *vp);
				int mac_veriexec_get_state(void);
				int mac_veriexec_in_state(int state);
				void mac_veriexec_print_db(struct sbuf *);
				void mac_veriexec_set_fingerprint_status(struct vnode *vp,
				fingerprint_status_t fp_status);
				void mac_veriexec_set_state(int state);

				#endif /* !_SECURITY_MAC_VERIEXEC_INTERNAL_H */