1#ifndef HEADER_CURL_X509ASN1_H
2#define HEADER_CURL_X509ASN1_H
3
4/***************************************************************************
5 * _ _ ____ _
6 * Project ___| | | | _ \| |
7 * / __| | | | |_) | |
8 * | (__| |_| | _ <| |___
9 * \___|\___/|_| \_\_____|
10 *
11 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
12 *
13 * This software is licensed as described in the file COPYING, which
14 * you should have received as part of this distribution. The terms
15 * are also available at https://curl.se/docs/copyright.html.
16 *
17 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
18 * copies of the Software, and permit persons to whom the Software is
19 * furnished to do so, under the terms of the COPYING file.
20 *
21 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
22 * KIND, either express or implied.
23 *
24 * SPDX-License-Identifier: curl
25 *
26 ***************************************************************************/
27
28#include "curl_setup.h"
29
30#if defined(USE_GNUTLS) || defined(USE_WOLFSSL) || \
31 defined(USE_SCHANNEL) || defined(USE_SECTRANSP)
32
33#include "cfilters.h"
34#include "urldata.h"
35
36/*
37 * Types.
38 */
39
40/* ASN.1 parsed element. */
41struct Curl_asn1Element {
42 const char *header; /* Pointer to header byte. */
43 const char *beg; /* Pointer to element data. */
44 const char *end; /* Pointer to 1st byte after element. */
45 unsigned char class; /* ASN.1 element class. */
46 unsigned char tag; /* ASN.1 element tag. */
47 bool constructed; /* Element is constructed. */
48};
49
50/* X509 certificate: RFC 5280. */
51struct Curl_X509certificate {
52 struct Curl_asn1Element certificate;
53 struct Curl_asn1Element version;
54 struct Curl_asn1Element serialNumber;
55 struct Curl_asn1Element signatureAlgorithm;
56 struct Curl_asn1Element signature;
57 struct Curl_asn1Element issuer;
58 struct Curl_asn1Element notBefore;
59 struct Curl_asn1Element notAfter;
60 struct Curl_asn1Element subject;
61 struct Curl_asn1Element subjectPublicKeyInfo;
62 struct Curl_asn1Element subjectPublicKeyAlgorithm;
63 struct Curl_asn1Element subjectPublicKey;
64 struct Curl_asn1Element issuerUniqueID;
65 struct Curl_asn1Element subjectUniqueID;
66 struct Curl_asn1Element extensions;
67};
68
69/*
70 * Prototypes.
71 */
72
73int Curl_parseX509(struct Curl_X509certificate *cert,
74 const char *beg, const char *end);
75CURLcode Curl_extract_certinfo(struct Curl_easy *data, int certnum,
76 const char *beg, const char *end);
77CURLcode Curl_verifyhost(struct Curl_cfilter *cf, struct Curl_easy *data,
78 const char *beg, const char *end);
79#endif /* USE_GNUTLS or USE_WOLFSSL or USE_SCHANNEL or USE_SECTRANSP */
80#endif /* HEADER_CURL_X509ASN1_H */
81