1/*
2 * Copyright (C) 2017 Metrological Group B.V.
3 * Copyright (C) 2017 Igalia S.L.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
24 * THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <libtasn1.h>
30#include <wtf/Forward.h>
31
32namespace PAL {
33namespace TASN1 {
34
35class Structure {
36public:
37 Structure() = default;
38
39 ~Structure()
40 {
41 asn1_delete_structure(&m_structure);
42 }
43
44 Structure(const Structure&) = delete;
45 Structure& operator=(const Structure&) = delete;
46
47 Structure(Structure&&) = delete;
48 Structure& operator=(Structure&&) = delete;
49
50 asn1_node* operator&() { return &m_structure; }
51 operator asn1_node() const { return m_structure; }
52
53private:
54 asn1_node m_structure { nullptr };
55};
56
57bool createStructure(const char* elementName, asn1_node* root);
58bool decodeStructure(asn1_node* root, const char* elementName, const Vector<uint8_t>& data);
59Optional<Vector<uint8_t>> elementData(asn1_node root, const char* elementName);
60Optional<Vector<uint8_t>> encodedData(asn1_node root, const char* elementName);
61bool writeElement(asn1_node root, const char* elementName, const void* data, size_t dataSize);
62
63} // namespace TASN1
64} // namespace PAL
65