1 /*- 2 * Copyright (c) 2017-2018, Juniper Networks, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 14 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 15 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 16 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 17 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 19 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 #ifndef _VERIFY_FILE_H_ 26 #define _VERIFY_FILE_H_ 27 28 #define VE_GUESS -1 /* let verify_file work it out */ 29 #define VE_TRY 0 /* we don't mind if unverified */ 30 #define VE_WANT 1 /* we want this verified */ 31 #define VE_MUST 2 /* this must be verified */ 32 33 #define VE_NOT_CHECKED -42 34 #define VE_VERIFIED 1 /* all good */ 35 #define VE_UNVERIFIED_OK 0 /* not verified but that's ok */ 36 #define VE_NOT_VERIFYING 2 /* we are not verifying */ 37 38 /* suitable buf size for hash_string */ 39 #ifndef SHA_DIGEST_LENGTH 40 # define SHA_DIGEST_LENGTH 20 41 #endif 42 43 struct stat; 44 45 int verify_prep(int, const char *, off_t, struct stat *, const char *); 46 void ve_debug_set(int); 47 char *ve_error_get(void); 48 void ve_efi_init(void); 49 void ve_status_set(int, int); 50 int ve_status_get(int); 51 int load_manifest(const char *, const char *, const char *, struct stat *); 52 int pass_manifest(const char *, const char *); 53 int pass_manifest_export_envs(void); 54 void verify_report(const char *, int, int, struct stat *); 55 int verify_file(int, const char *, off_t, int, const char *); 56 void verify_pcr_export(void); 57 int hash_string(char *s, size_t n, char *buf, size_t bufsz); 58 int is_verified(struct stat *); 59 void add_verify_status(struct stat *, int); 60 61 struct vectx; 62 struct vectx* vectx_open(int, const char *, off_t, struct stat *, int *, const char *); 63 ssize_t vectx_read(struct vectx *, void *, size_t); 64 off_t vectx_lseek(struct vectx *, off_t, int); 65 int vectx_close(struct vectx *, int, const char *); 66 67 #endif /* _VERIFY_FILE_H_ */ 68