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108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2011, 2012, 2013, 2015, 2016, 2019, Juniper Networks, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SECURITY_MAC_VERIEXEC_INTERNAL_H
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#define _SECURITY_MAC_VERIEXEC_INTERNAL_H
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#ifndef _KERNEL
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#error "no user-serviceable parts inside"
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#endif
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#include <sys/queue.h>
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#include <sys/malloc.h>
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#include <sys/sysctl.h>
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#define MAC_VERIEXEC_FULLNAME "MAC/veriexec"
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#define VERIEXEC_FILES_FIRST 1
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#ifdef MAC_VERIEXEC_DEBUG
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# define VERIEXEC_DEBUG(n, x) if (mac_veriexec_debug > (n)) printf x
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#else
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# define VERIEXEC_DEBUG(n, x)
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#endif
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struct mac_veriexec_file_info
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{
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int flags;
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long fileid;
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unsigned long gen;
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struct mac_veriexec_fpops *ops;
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unsigned char fingerprint[MAXFINGERPRINTLEN];
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char *label;
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size_t labellen;
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LIST_ENTRY(mac_veriexec_file_info) entries;
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};
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MALLOC_DECLARE(M_VERIEXEC);
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SYSCTL_DECL(_security_mac_veriexec);
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struct cred;
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struct image_params;
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struct proc;
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struct sbuf;
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struct thread;
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struct ucred;
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struct vattr;
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struct vnode;
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int mac_veriexec_metadata_fetch_fingerprint_status(struct vnode *vp,
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struct vattr *vap, struct thread *td, int check_files);
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int mac_veriexec_metadata_get_executable_flags(struct ucred *cred,
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struct proc *p, int *flags, int check_files);
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int mac_veriexec_metadata_get_file_flags(dev_t fsid, long fileid,
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unsigned long gen, int *flags, int check_files);
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int mac_veriexec_metadata_get_file_info(dev_t fsid, long fileid,
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unsigned long gen, int *found_dev,
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struct mac_veriexec_file_info **ipp, int check_files);
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void mac_veriexec_metadata_init(void);
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void mac_veriexec_metadata_print_db(struct sbuf *sbp);
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int mac_veriexec_metadata_unmounted(dev_t fsid, struct thread *td);
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int mac_veriexec_fingerprint_add_ops(struct mac_veriexec_fpops *fpops);
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int mac_veriexec_fingerprint_check_image(struct image_params *imgp,
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int check_files, struct thread *td);
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int mac_veriexec_fingerprint_check_vnode(struct vnode *vp,
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struct mac_veriexec_file_info *ip, struct thread *td,
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off_t file_size, unsigned char *fingerprint);
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void mac_veriexec_fingerprint_init(void);
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struct mac_veriexec_fpops *
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mac_veriexec_fingerprint_lookup_ops(const char *type);
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fingerprint_status_t
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mac_veriexec_get_fingerprint_status(struct vnode *vp);
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int mac_veriexec_get_state(void);
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int mac_veriexec_in_state(int state);
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void mac_veriexec_set_fingerprint_status(struct vnode *vp,
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fingerprint_status_t fp_status);
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void mac_veriexec_set_state(int state);
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#endif /* !_SECURITY_MAC_VERIEXEC_INTERNAL_H */
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