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 /* 26 * $FreeBSD$ 27 */ 28 #ifndef _LIBSECUREBOOT_H_ 29 #define _LIBSECUREBOOT_H_ 30 31 #include <sys/param.h> 32 #ifdef _STANDALONE 33 #include <stand.h> 34 #else 35 #include <sys/types.h> 36 #include <sys/stat.h> 37 #include <stdlib.h> 38 #include <stdio.h> 39 #include <unistd.h> 40 #include <fcntl.h> 41 #endif 42 43 #include <bearssl.h> 44 45 unsigned char * read_fd(int, size_t); 46 #ifndef NEED_BRSSL_H 47 unsigned char * read_file(const char *, size_t *); 48 #endif 49 50 extern int DebugVe; 51 52 #define DEBUG_PRINTF(n, x) if (DebugVe >= n) printf x 53 54 int ve_trust_init(void); 55 size_t ve_trust_anchors_add_buf(unsigned char *, size_t); 56 size_t ve_trust_anchors_revoke(unsigned char *, size_t); 57 int ve_trust_add(const char *); 58 void ve_debug_set(int); 59 void ve_anchor_verbose_set(int); 60 int ve_anchor_verbose_get(void); 61 void ve_utc_set(time_t utc); 62 char *ve_error_get(void); 63 int ve_error_set(const char *, ...) __printflike(1,2); 64 int ve_self_tests(void); 65 66 void fingerprint_info_add(const char *, const char *, const char *, 67 const char *, struct stat *); 68 69 int ve_check_hash(br_hash_compat_context *, const br_hash_class *, 70 const char *, const char *, size_t); 71 72 struct vectx; 73 struct vectx* vectx_open(int, const char *, off_t, struct stat *, int *); 74 ssize_t vectx_read(struct vectx *, void *, size_t); 75 off_t vectx_lseek(struct vectx *, off_t, int); 76 int vectx_close(struct vectx *); 77 78 char * hexdigest(char *, size_t, unsigned char *, size_t); 79 int verify_fd(int, const char *, off_t, struct stat *); 80 int verify_open(const char *, int); 81 82 unsigned char *verify_signed(const char *, int); 83 unsigned char *verify_sig(const char *, int); 84 unsigned char *verify_asc(const char *, int); /* OpenPGP */ 85 86 void ve_pcr_init(void); 87 void ve_pcr_update(unsigned char *, size_t); 88 ssize_t ve_pcr_get(unsigned char *, size_t); 89 int ve_pcr_updating_get(void); 90 void ve_pcr_updating_set(int); 91 92 /* flags for verify_{asc,sig,signed} */ 93 #define VEF_VERBOSE 1 94 95 #define VE_FINGERPRINT_OK 1 96 #define VE_FINGERPRINT_IGNORE 2 97 /* errors from verify_fd */ 98 #define VE_FINGERPRINT_NONE -2 99 #define VE_FINGERPRINT_WRONG -3 100 #define VE_FINGERPRINT_UNKNOWN -4 /* may not be an error */ 101 102 #endif /* _LIBSECUREBOOT_H_ */ 103