133 lines
5.0 KiB
C
133 lines
5.0 KiB
C
/* $NetBSD: verified_exec.h,v 1.58 2010/11/19 06:44:34 dholland Exp $ */
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/*-
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* Copyright (c) 2005, 2006 Elad Efrat <elad@NetBSD.org>
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* Copyright (c) 2005, 2006 Brett Lymn <blymn@NetBSD.org>
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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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* 3. The name of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_VERIFIED_EXEC_H_
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#define _SYS_VERIFIED_EXEC_H_
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#include <sys/ioccom.h>
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#if defined(_KERNEL) && !defined(HAVE_NBTOOL_CONFIG_H)
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#include <sys/types.h>
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#include <prop/proplib.h>
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struct mount;
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struct vnode;
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#ifdef notyet
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struct vm_page;
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#endif /* notyet */
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#endif /* _KERNEL */
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/* Flags for a Veriexec entry. These can be OR'd together. */
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#define VERIEXEC_DIRECT 0x01 /* Direct execution (exec) */
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#define VERIEXEC_INDIRECT 0x02 /* Indirect execution (#!) */
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#define VERIEXEC_FILE 0x04 /* Plain file (open) */
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#define VERIEXEC_UNTRUSTED 0x10 /* Untrusted storage */
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/* Operations for the Veriexec pseudo-device. */
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#define VERIEXEC_LOAD _IOW('X', 0x1, struct plistref)
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#define VERIEXEC_TABLESIZE _IOW('X', 0x2, struct plistref)
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#define VERIEXEC_DELETE _IOW('X', 0x3, struct plistref)
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#define VERIEXEC_QUERY _IOWR('X', 0x4, struct plistref)
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#define VERIEXEC_DUMP _IOR('X', 0x5, struct plistref)
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#define VERIEXEC_FLUSH _IO('X', 0x6)
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/* Veriexec modes (strict levels). */
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#define VERIEXEC_LEARNING 0 /* Learning mode. */
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#define VERIEXEC_IDS 1 /* Intrusion detection mode. */
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#define VERIEXEC_IPS 2 /* Intrusion prevention mode. */
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#define VERIEXEC_LOCKDOWN 3 /* Lockdown mode. */
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/* Valid status field values. */
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#define FINGERPRINT_NOTEVAL 0 /* fingerprint has not been evaluated */
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#define FINGERPRINT_VALID 1 /* fingerprint evaluated and matches list */
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#define FINGERPRINT_NOMATCH 2 /* fingerprint evaluated but does not match */
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/* Per-page fingerprint status. */
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#define PAGE_FP_NONE 0 /* no per-page fingerprints. */
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#define PAGE_FP_READY 1 /* per-page fingerprints ready for use. */
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#define PAGE_FP_FAIL 2 /* mismatch in per-page fingerprints. */
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#if defined(_KERNEL) && !defined(HAVE_NBTOOL_CONFIG_H)
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#if NVERIEXEC > 0
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/* FUTURE: remove this macro entirely - dholland 20100215 */
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#define VERIEXEC_PATH_GET(from, cto, to) \
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do { \
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to = NULL; \
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cto = from; \
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} \
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} while (/*CONSTCOND*/0)
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#define VERIEXEC_PATH_PUT(to) \
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do { \
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(void)(to); \
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} while (/*CONSTCOND*/0)
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#else
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#define VERIEXEC_PATH_GET(from, cto, to) \
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cto = from
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#define VERIEXEC_PATH_PUT(to) \
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(void)to
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#endif
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/*
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* Fingerprint operations vector for Veriexec.
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* Function types: init, update, final.
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*/
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typedef void (*veriexec_fpop_init_t)(void *);
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typedef void (*veriexec_fpop_update_t)(void *, u_char *, u_int);
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typedef void (*veriexec_fpop_final_t)(u_char *, void *);
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void veriexec_init(void);
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int veriexec_fpops_add(const char *, size_t, size_t, veriexec_fpop_init_t,
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veriexec_fpop_update_t, veriexec_fpop_final_t);
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int veriexec_file_add(struct lwp *, prop_dictionary_t);
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int veriexec_verify(struct lwp *, struct vnode *, const u_char *, int,
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bool *);
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#ifdef notyet
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int veriexec_page_verify(struct veriexec_file_entry *, struct vm_page *,
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size_t, struct lwp *);
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#endif /* notyet */
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bool veriexec_lookup(struct vnode *);
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int veriexec_file_delete(struct lwp *, struct vnode *);
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int veriexec_table_delete(struct lwp *, struct mount *);
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int veriexec_convert(struct vnode *, prop_dictionary_t);
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int veriexec_dump(struct lwp *, prop_array_t);
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int veriexec_flush(struct lwp *);
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void veriexec_purge(struct vnode *);
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int veriexec_removechk(struct lwp *, struct vnode *, const char *);
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int veriexec_renamechk(struct lwp *, struct vnode *, const char *,
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struct vnode *, const char *);
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int veriexec_unmountchk(struct mount *);
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int veriexec_openchk(struct lwp *, struct vnode *, const char *, int);
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#endif /* _KERNEL */
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#endif /* !_SYS_VERIFIED_EXEC_H_ */
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