123 static std::unique_ptr<Asn1Record>
decode(
const uint8_t* data,
size_t dataLen,
bool lazy =
true);
138 return m_IsConstructed;
154 return m_ValueLength;
160 return m_TotalLength;
170 template <
class Asn1RecordType> Asn1RecordType*
castAs()
172 auto result =
dynamic_cast<Asn1RecordType*
>(
this);
173 if (result ==
nullptr)
175 throw std::bad_cast();
184 bool m_IsConstructed =
false;
185 uint8_t m_TagType = 0;
187 size_t m_ValueLength = 0;
188 size_t m_TotalLength = 0;
190 uint8_t* m_EncodedValue =
nullptr;
194 static Asn1Record* decodeInternal(
const uint8_t* data,
size_t dataLen,
bool lazy);
196 virtual void decodeValue(uint8_t* data,
bool lazy) = 0;
197 virtual std::vector<uint8_t> encodeValue()
const = 0;
199 static Asn1Record* decodeTagAndCreateRecord(
const uint8_t* data,
size_t dataLen, uint8_t& tagLen);
200 uint8_t decodeLength(
const uint8_t* data,
size_t dataLen);
201 void decodeValueIfNeeded();
204 std::vector<uint8_t> encodeLength()
const;
206 virtual std::vector<std::string> toStringList();
240 decodeValueIfNeeded();
247 void decodeValue(uint8_t* data,
bool lazy)
override;
248 std::vector<uint8_t> encodeValue()
const override;
251 uint8_t* m_Value =
nullptr;
268 const std::vector<Asn1Record*>& subRecords);
281 decodeValueIfNeeded();
288 void decodeValue(uint8_t* data,
bool lazy)
override;
289 std::vector<uint8_t> encodeValue()
const override;
291 std::vector<std::string> toStringList()
override;
293 template <
typename Iterator>
void init(
Asn1TagClass tagClass, uint8_t tagType, Iterator begin, Iterator end)
296 m_TagClass = tagClass;
297 m_IsConstructed =
true;
299 size_t recordValueLength = 0;
300 for (Iterator recordIter = begin; recordIter != end; ++recordIter)
302 auto encodedRecord = (*recordIter)->encode();
303 auto copyRecord =
Asn1Record::decode(encodedRecord.data(), encodedRecord.size(),
false);
304 m_SubRecords.pushBack(std::move(copyRecord));
305 recordValueLength += encodedRecord.size();
308 m_ValueLength = recordValueLength;
309 m_TotalLength = recordValueLength + 1 + (m_ValueLength < 128 ? 1 : 2);
313 PointerVector<Asn1Record> m_SubRecords;
380 decodeValueIfNeeded();
387 void decodeValue(uint8_t* data,
bool lazy)
override;
388 std::vector<uint8_t> encodeValue()
const override;
390 std::vector<std::string> toStringList()
override;
393 uint32_t m_Value = 0;
430 decodeValueIfNeeded();
435 void decodeValue(uint8_t* data,
bool lazy)
override;
436 std::vector<uint8_t> encodeValue()
const override;
438 std::vector<std::string> toStringList()
override;
442 bool m_IsPrintable =
true;
461 decodeValueIfNeeded();
466 void decodeValue(uint8_t* data,
bool lazy)
override;
467 std::vector<uint8_t> encodeValue()
const override;
469 std::vector<std::string> toStringList()
override;
474 bool m_Value =
false;
488 void decodeValue(uint8_t* data,
bool lazy)
override
490 std::vector<uint8_t> encodeValue()
const override
Definition: Asn1Codec.h:450
Asn1BooleanRecord(bool value)
bool getValue()
Definition: Asn1Codec.h:459
Definition: Asn1Codec.h:259
PointerVector< Asn1Record > & getSubRecords()
Definition: Asn1Codec.h:279
Asn1ConstructedRecord(Asn1TagClass tagClass, uint8_t tagType, const PointerVector< Asn1Record > &subRecords)
Asn1ConstructedRecord(Asn1TagClass tagClass, uint8_t tagType, const std::vector< Asn1Record * > &subRecords)
Definition: Asn1Codec.h:399
Asn1EnumeratedRecord(uint32_t value)
Definition: Asn1Codec.h:215
const uint8_t * getValue()
Definition: Asn1Codec.h:238
Asn1GenericRecord(Asn1TagClass tagClass, bool isConstructed, uint8_t tagType, const uint8_t *value, size_t valueLen)
Asn1GenericRecord(Asn1TagClass tagClass, bool isConstructed, uint8_t tagType, const std::string &value)
Definition: Asn1Codec.h:369
Asn1IntegerRecord(uint32_t value)
uint32_t getValue()
Definition: Asn1Codec.h:378
Definition: Asn1Codec.h:480
Asn1NullRecord()
A constructor to create a record of type Null.
Definition: Asn1Codec.h:414
Asn1OctetStringRecord(const std::string &value)
std::string getValue()
Definition: Asn1Codec.h:428
Asn1OctetStringRecord(const uint8_t *value, size_t valueLength)
Definition: Asn1Codec.h:358
Definition: Asn1Codec.h:114
uint8_t getTagType() const
Definition: Asn1Codec.h:146
std::vector< uint8_t > encode()
bool isConstructed() const
Definition: Asn1Codec.h:136
Asn1UniversalTagType getUniversalTagType() const
Asn1TagClass getTagClass() const
Definition: Asn1Codec.h:130
size_t getTotalLength() const
Definition: Asn1Codec.h:158
Asn1RecordType * castAs()
Definition: Asn1Codec.h:170
size_t getValueLength() const
Definition: Asn1Codec.h:152
static std::unique_ptr< Asn1Record > decode(const uint8_t *data, size_t dataLen, bool lazy=true)
Definition: Asn1Codec.h:319
Asn1SequenceRecord(const PointerVector< Asn1Record > &subRecords)
Asn1SequenceRecord(const std::vector< Asn1Record * > &subRecords)
Definition: Asn1Codec.h:338
Asn1SetRecord(const PointerVector< Asn1Record > &subRecords)
Asn1SetRecord(const std::vector< Asn1Record * > &subRecords)
Definition: PointerVector.h:50
The main namespace for the PcapPlusPlus lib.
Asn1TagClass
An enum for representing ASN.1 tag class.
Definition: Asn1Codec.h:17
@ ContextSpecific
The Context-Specific tag class.
@ Private
The Private tag class.
@ Universal
The Universal tag class.
@ Application
The Application tag class.
Asn1UniversalTagType
An enum for representing ASN.1 Universal tag types.
Definition: Asn1Codec.h:30
@ BitString
The universal tag type for Bit String.
@ Enumerated
The universal tag type for Enumerated.
@ ObjectIdentifierIRI
The universal tag type for Object Identifier Internationalized Resource Identifier (IRI)
@ ObjectDescriptor
The universal tag type for Object Descriptor.
@ TimeOfDay
The universal tag type for Time of Day.
@ GraphicString
The universal tag type for GraphicString.
@ UTCTime
The universal tag type for UTC time.
@ Boolean
The universal tag type for Boolean.
@ EmbeddedPDV
The universal tag type for Embedded-PDV.
@ OctetString
The universal tag type for Octet String.
@ UniversalString
The universal tag type for UniversalString.
@ Sequence
The universal tag type Sequence.
@ Date
The universal tag type for Date.
@ RelativeObjectIdentifierIRI
The universal tag type for Relative Object Identifier Internationalized Resource Identifier (IRI)
@ PrintableString
The universal tag type for Printable String.
@ CharacterString
The universal tag type for CharacterString.
@ RelativeObjectIdentifier
The universal tag type for Relative Object Identifier.
@ Set
The universal tag type for Set.
@ ObjectIdentifier
The universal tag type for Object Identifier.
@ IA5String
The universal tag type for IA5String.
@ VideotexString
The universal tag type for Videotex String.
@ NotApplicable
A non-applicable value.
@ Real
The universal tag type for Real.
@ DateTime
The universal tag type for Date-Time.
@ EndOfContent
The reserved identifier for the End-of-Contents marker in an indefinite length encoding.
@ Reserved
A reserved value.
@ Integer
The universal tag type for Integer.
@ Time
The universal tag type for Time.
@ External
The universal tag type for External.
@ BMPString
The universal tag type for BMPString.
@ UTF8String
The universal tag type for UTF8 String.
@ Null
The universal tag type for Null.
@ GeneralizedTime
The universal tag type for Generalized time.
@ T61String
The universal tag type for T61String.
@ Duration
The universal tag type for Duration.
@ VisibleString
The universal tag type for VisibleString.
@ GeneralString
The universal tag type for GeneralString.
@ NumericString
The universal tag type for Numeric String.