78 lines
3.2 KiB
C++
78 lines
3.2 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* cryptsetup LUKS2 custom mutator fuzz target
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*
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* Copyright (C) 2022-2024 Daniel Zatovic <daniel.zatovic@gmail.com>
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* Copyright (C) 2022-2024 Red Hat, Inc. All rights reserved.
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*/
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#ifndef LUKS2_PROTO_CONVERTER_H_
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#define LUKS2_PROTO_CONVERTER_H_
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#include <sstream>
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#include <string>
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#include <json-c/json.h>
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#include "LUKS2.pb.h"
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extern "C" {
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#include "crypto_backend/crypto_backend.h"
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}
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namespace LUKS2_proto {
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class LUKS2ProtoConverter {
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public:
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~LUKS2ProtoConverter();
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std::string string_uint64_to_string(const string_uint64 &str_u64);
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std::string hash_algorithm_to_string(const hash_algorithm type);
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std::string object_id_to_string(const object_id &oid);
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std::string keyslot_area_type_to_string(const keyslot_area_type type);
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std::string keyslot_kdf_type_to_string(const keyslot_kdf_type type);
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std::string reencrypt_keyslot_mode_to_string(const reencrypt_keyslot_mode mode);
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std::string keyslot_type_to_string(const keyslot_type type);
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std::string reencrypt_keyslot_direction_to_string(const reencrypt_keyslot_direction direction);
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std::string keyslot_af_type_to_string(const keyslot_af_type type);
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std::string config_flag_to_string(config_flag flag);
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std::string config_requirement_to_string(config_requirement requirements);
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std::string segment_type_to_string(segment_type type);
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std::string segment_flag_to_string(segment_flag flag);
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void generate_keyslot(struct json_object *jobj_keyslots, const keyslot_description &keyslot_desc);
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void generate_keyslot_area(struct json_object *jobj_area, const keyslot_area_description &keyslot_area_desc);
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void generate_keyslot_kdf(struct json_object *jobj_kdf, const keyslot_kdf_description &keyslot_kdf_desc);
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void generate_keyslot_af(struct json_object *jobj_af, const keyslot_af_description &keyslot_af_desc);
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void generate_token(struct json_object *jobj_tokens, const token_description &token_desc);
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void generate_digest(struct json_object *jobj_digests, const digest_description &digest_desc);
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void generate_segment_integrity(struct json_object *jobj_integrity, const segment_integrity_description &segment_integrity_desc);
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void generate_segment(struct json_object *jobj_segments, const segment_description &segment_desc);
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void generate_config(const config_description &config_desc, uint64_t json_size, uint64_t keyslots_size);
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void create_jobj(const LUKS2_both_headers &headers, uint64_t hdr_size);
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void emit_luks2_binary_header(uint64_t offset, uint64_t seqid, bool is_primary, uint64_t hdr_size);
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void convert(const LUKS2_both_headers &headers, int fd);
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void create_jobj(const LUKS2_both_headers &headers);
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void emit_luks2_binary_header(const LUKS2_header &header_proto, int fd, uint64_t offset, uint64_t seqid);
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void set_write_headers_only(bool headers_only);
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const uint8_t *get_out_buffer();
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size_t get_out_size();
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static const uint64_t KEYSLOTS_SIZE = 3 * 1024 * 1024;
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static const uint64_t DATA_SIZE = 16 * 1024 * 1024;
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private:
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bool write_headers_only = false;
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struct crypt_hash *hd = NULL;
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struct ::json_object *jobj = NULL;
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};
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} // namespace LUKS2_proto
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#endif // LUKS2_PROTO_CONVERTER_H_
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