mirror of
https://github.com/QuasarApp/LIEF.git
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125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
/* Copyright 2017 R. Thomas
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* Copyright 2017 Quarkslab
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIEF_PE_CONTENT_INFO_H_
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#define LIEF_PE_CONTENT_INFO_H_
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#include "LIEF/Object.hpp"
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#include "LIEF/visibility.h"
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#include "LIEF/PE/signature/types.hpp"
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#include "LIEF/PE/enums.hpp"
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namespace LIEF {
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namespace PE {
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class Parser;
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class SignatureParser;
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/** ContentInfo as described in the RFC2315 (https://tools.ietf.org/html/rfc2315#section-7)
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*
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* ```raw
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* ContentInfo ::= SEQUENCE {
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* contentType ContentType,
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* content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL
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* }
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*
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* ContentType ::= OBJECT IDENTIFIER
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* ```
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*
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* In the case of PE signature, ContentType **must** be set to SPC_INDIRECT_DATA_OBJID
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* OID: ``1.3.6.1.4.1.311.2.1.4`` and content is defined by the structure: ``SpcIndirectDataContent``
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* ```raw
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* SpcIndirectDataContent ::= SEQUENCE {
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* data SpcAttributeTypeAndOptionalValue,
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* messageDigest DigestInfo
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* }
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*
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* SpcAttributeTypeAndOptionalValue ::= SEQUENCE {
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* type ObjectID,
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* value [0] EXPLICIT ANY OPTIONAL
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* }
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* ```
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*
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* For PE signature, ``SpcAttributeTypeAndOptionalValue.type``
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* is set to ``SPC_PE_IMAGE_DATAOBJ`` (OID: ``1.3.6.1.4.1.311.2.1.15``) and the value is defined by
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* ``SpcPeImageData``
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*
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* ```raw
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* DigestInfo ::= SEQUENCE {
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* digestAlgorithm AlgorithmIdentifier,
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* digest OCTETSTRING
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* }
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*
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* AlgorithmIdentifier ::= SEQUENCE {
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* algorithm ObjectID,
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* parameters [0] EXPLICIT ANY OPTIONAL
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* }
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* ```
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*/
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class LIEF_API ContentInfo : public Object {
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friend class Parser;
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friend class SignatureParser;
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public:
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ContentInfo(void);
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ContentInfo(const ContentInfo&);
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ContentInfo& operator=(const ContentInfo&);
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//! Return the OID that describes the content wrapped by this object.
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//! It should match SPC_INDIRECT_DATA_OBJID (1.3.6.1.4.1.311.2.1.4)
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inline oid_t content_type() const {
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return content_type_;
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}
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//! Digest used to hash the file
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//!
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//! It should match LIEF::PE::SignerInfo::digest_algorithm
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inline ALGORITHMS digest_algorithm() const {
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return this->digest_algorithm_;
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}
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//! PE's authentihash
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//!
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//! @see LIEF::PE::Binary::authentihash
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inline const std::vector<uint8_t>& digest() const {
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return this->digest_;
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}
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inline const std::string& file() const {
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return this->file_;
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}
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virtual void accept(Visitor& visitor) const override;
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virtual ~ContentInfo(void);
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LIEF_API friend std::ostream& operator<<(std::ostream& os, const ContentInfo& content_info);
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private:
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oid_t content_type_;
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std::string file_;
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uint8_t flags_ = 0;
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ALGORITHMS digest_algorithm_ = ALGORITHMS::UNKNOWN;
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std::vector<uint8_t> digest_;
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};
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}
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}
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#endif
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