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Simon J. Gerraty
35bbdfad28
file_loadraw() can have a need to load unverified files like "dtrace_dof". Allow severity_guess() to look at the filename but if it returns less than VE_MUST check that the type is not one we insist on verifying. In vectx_open if severity < VE_MUST we can allow it to be unverified. If passed VE_GUESS we call severity_guess(). Regardless, we record severity in ctx so it is available to vectx_close(). Sponsored by: Hewlett Packard Enterprise Development LP Reviewed by: khng Differential Revision: https://reviews.freebsd.org/D56297
69 lines
2.9 KiB
C
69 lines
2.9 KiB
C
/*-
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* Copyright (c) 2017-2018, Juniper Networks, Inc.
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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 COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _VERIFY_FILE_H_
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#define _VERIFY_FILE_H_
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#define VE_GUESS -1 /* let verify_file work it out */
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#define VE_TRY 0 /* we don't mind if unverified */
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#define VE_WANT 1 /* we want this verified */
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#define VE_MUST 2 /* this must be verified */
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#define VE_NOT_CHECKED -42
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#define VE_VERIFIED 1 /* all good */
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#define VE_UNVERIFIED_OK 0 /* not verified but that's ok */
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#define VE_NOT_VERIFYING 2 /* we are not verifying */
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/* suitable buf size for hash_string */
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#ifndef SHA_DIGEST_LENGTH
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# define SHA_DIGEST_LENGTH 20
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#endif
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struct stat;
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int verify_prep(int, const char *, off_t, struct stat *, const char *);
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void ve_debug_set(int);
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char *ve_error_get(void);
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void ve_efi_init(void);
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void ve_status_set(int, int);
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int ve_status_get(int);
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int load_manifest(const char *, const char *, const char *, struct stat *);
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int pass_manifest(const char *, const char *);
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int pass_manifest_export_envs(void);
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int severity_guess(const char *);
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void verify_report(const char *, int, int, struct stat *);
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int verify_file(int, const char *, off_t, int, const char *);
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void verify_pcr_export(void);
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int hash_string(char *s, size_t n, char *buf, size_t bufsz);
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int is_verified(struct stat *);
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void add_verify_status(struct stat *, int);
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struct vectx;
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struct vectx* vectx_open(int, const char *, int, off_t, struct stat *, int *, const char *);
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ssize_t vectx_read(struct vectx *, void *, size_t);
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off_t vectx_lseek(struct vectx *, off_t, int);
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int vectx_close(struct vectx *, const char *);
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#endif /* _VERIFY_FILE_H_ */
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