1/* Copyright (c) 2018, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15#ifndef OPENSSL_HEADER_X509V3_INTERNAL_H
16#define OPENSSL_HEADER_X509V3_INTERNAL_H
17
18#include <openssl/base.h>
19
20#if defined(__cplusplus)
21extern "C" {
22#endif
23
24
25// x509v3_bytes_to_hex encodes |len| bytes from |buffer| to hex and returns a
26// newly-allocated NUL-terminated string containing the result, or NULL on
27// allocation error.
28//
29// Note this function was historically named |hex_to_string| in OpenSSL, not
30// |string_to_hex|.
31char *x509v3_bytes_to_hex(const unsigned char *buffer, long len);
32
33// x509v3_hex_string_to_bytes decodes |str| in hex and returns a newly-allocated
34// array containing the result, or NULL on error. On success, it sets |*len| to
35// the length of the result. Colon separators between bytes in the input are
36// allowed and ignored.
37//
38// Note this function was historically named |string_to_hex| in OpenSSL, not
39// |hex_to_string|.
40unsigned char *x509v3_hex_to_bytes(const char *str, long *len);
41
42// x509v3_name_cmp returns zero if |name| is equal to |cmp| or begins with |cmp|
43// followed by '.'. Otherwise, it returns a non-zero number.
44int x509v3_name_cmp(const char *name, const char *cmp);
45
46// x509v3_looks_like_dns_name returns one if |in| looks like a DNS name and zero
47// otherwise.
48OPENSSL_EXPORT int x509v3_looks_like_dns_name(const unsigned char *in,
49 size_t len);
50
51
52#if defined(__cplusplus)
53} /* extern C */
54#endif
55
56#endif /* OPENSSL_HEADER_X509V3_INTERNAL_H */
57