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ladybird/Libraries/LibTLS/Certificate.h

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/*
* Copyright (c) 2020-2023, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/Forward.h>
#include <AK/Optional.h>
#include <AK/Time.h>
#include <AK/Types.h>
#include <LibCore/ConfigFile.h>
#include <LibCrypto/ASN1/DER.h>
#include <LibCrypto/BigInt/UnsignedBigInteger.h>
#include <LibCrypto/PK/RSA.h>
#include <LibTLS/Extensions.h>
namespace TLS {
constexpr static Array<int, 7>
rsa_encryption_oid { 1, 2, 840, 113549, 1, 1, 1 },
rsa_md5_encryption_oid { 1, 2, 840, 113549, 1, 1, 4 },
rsa_sha1_encryption_oid { 1, 2, 840, 113549, 1, 1, 5 },
rsa_sha256_encryption_oid { 1, 2, 840, 113549, 1, 1, 11 },
rsa_sha384_encryption_oid { 1, 2, 840, 113549, 1, 1, 12 },
rsa_sha512_encryption_oid { 1, 2, 840, 113549, 1, 1, 13 },
rsa_sha224_encryption_oid { 1, 2, 840, 113549, 1, 1, 14 },
ecdsa_with_sha224_encryption_oid { 1, 2, 840, 10045, 4, 3, 1 },
ecdsa_with_sha256_encryption_oid { 1, 2, 840, 10045, 4, 3, 2 },
ecdsa_with_sha384_encryption_oid { 1, 2, 840, 10045, 4, 3, 3 },
ecdsa_with_sha512_encryption_oid { 1, 2, 840, 10045, 4, 3, 4 },
ec_public_key_encryption_oid { 1, 2, 840, 10045, 2, 1 },
x25519_oid { 1, 3, 101, 110 },
x448_oid { 1, 3, 101, 111 },
ed25519_oid { 1, 3, 101, 112 },
ed448_oid { 1, 3, 101, 113 };
constexpr static Array<Array<int, 7>, 10> known_algorithm_identifiers {
rsa_encryption_oid,
rsa_md5_encryption_oid,
rsa_sha1_encryption_oid,
rsa_sha256_encryption_oid,
rsa_sha384_encryption_oid,
rsa_sha512_encryption_oid,
ecdsa_with_sha256_encryption_oid,
ecdsa_with_sha384_encryption_oid,
ec_public_key_encryption_oid,
x25519_oid
};
constexpr static Array<int, 7>
curve_ansip384r1 { 1, 3, 132, 0, 34 },
curve_prime256 { 1, 2, 840, 10045, 3, 1, 7 };
constexpr static Array<Array<int, 7>, 9> known_curve_identifiers {
curve_ansip384r1,
curve_prime256
};
constexpr static Array<int, 4>
key_usage_oid { 2, 5, 29, 15 },
subject_alternative_name_oid { 2, 5, 29, 17 },
issuer_alternative_name_oid { 2, 5, 29, 18 },
basic_constraints_oid { 2, 5, 29, 19 };
#define _ENUM(key, value) key,
#define __ENUM_OBJECT_CLASS \
_ENUM(ApplicationProcess, "2.5.6.11"sv) \
_ENUM(Country, "2.5.6.2"sv) \
_ENUM(DcObject, "1.3.6.1.4.1.1466.344"sv) \
_ENUM(Device, "2.5.6.14"sv) \
_ENUM(GroupOfNames, "2.5.6.9"sv) \
_ENUM(GroupOfUniqueNames, "2.5.6.17"sv) \
_ENUM(Locality, "2.5.6.3"sv) \
_ENUM(Organization, "2.5.6.4"sv) \
_ENUM(OrganizationalPerson, "2.5.6.7"sv) \
_ENUM(OrganizationalRole, "2.5.6.8"sv) \
_ENUM(OrganizationalUnit, "2.5.6.5"sv) \
_ENUM(Person, "2.5.6.6"sv) \
_ENUM(ResidentialPerson, "2.5.6.10"sv) \
_ENUM(UidObject, "1.3.6.1.1.3.1"sv)
// NOTE: Type = O
// NOTE: This list is not exhaustive. If more members are needed, find them at the link below.
// https://www.iana.org/assignments/ldap-parameters/ldap-parameters.xhtml#ldap-parameters-3
enum class ObjectClass {
__ENUM_OBJECT_CLASS
};
#define __ENUM_ATTRIBUTE_TYPE \
_ENUM(BusinessCategory, "2.5.4.15"sv) \
_ENUM(C, "2.5.4.6"sv) \
_ENUM(Cn, "2.5.4.3"sv) \
_ENUM(Dc, "0.9.2342.19200300.100.1.25"sv) \
_ENUM(Description, "2.5.4.13"sv) \
_ENUM(DestinationIndicator, "2.5.4.27"sv) \
_ENUM(DistinguishedName, "2.5.4.49"sv) \
_ENUM(DnQualifier, "2.5.4.46"sv) \
_ENUM(EnhancedSearchGuide, "2.5.4.47"sv) \
_ENUM(Email, "1.2.840.113549.1.9.1"sv) \
_ENUM(FacsimileTelephoneNumber, "2.5.4.23"sv) \
_ENUM(GenerationQualifier, "2.5.4.44"sv) \
_ENUM(GivenName, "2.5.4.42"sv) \
_ENUM(HouseIdentifier, "2.5.4.51"sv) \
_ENUM(Initials, "2.5.4.43"sv) \
_ENUM(InternationalISDNNumber, "2.5.4.25"sv) \
_ENUM(L, "2.5.4.7"sv) \
_ENUM(Member, "2.5.4.31"sv) \
_ENUM(Name, "2.5.4.41"sv) \
_ENUM(O, "2.5.4.10"sv) \
_ENUM(Ou, "2.5.4.11"sv) \
_ENUM(Owner, "2.5.4.32"sv) \
_ENUM(PhysicalDeliveryOfficeName, "2.5.4.19"sv) \
_ENUM(PostalAddress, "2.5.4.16"sv) \
_ENUM(PostalCode, "2.5.4.17"sv) \
_ENUM(PostOfficeBox, "2.5.4.18"sv) \
_ENUM(PreferredDeliveryMethod, "2.5.4.28"sv) \
_ENUM(RegisteredAddress, "2.5.4.26"sv) \
_ENUM(RoleOccupant, "2.5.4.33"sv) \
_ENUM(SearchGuide, "2.5.4.14"sv) \
_ENUM(SeeAlso, "2.5.4.34"sv) \
_ENUM(SerialNumber, "2.5.4.5"sv) \
_ENUM(Sn, "2.5.4.4"sv) \
_ENUM(St, "2.5.4.8"sv) \
_ENUM(Street, "2.5.4.9"sv) \
_ENUM(Surname, "2.5.4.4"sv) \
_ENUM(TelephoneNumber, "2.5.4.20"sv) \
_ENUM(TeletexTerminalIdentifier, "2.5.4.22"sv) \
_ENUM(TelexNumber, "2.5.4.21"sv) \
_ENUM(Title, "2.5.4.12"sv) \
_ENUM(Uid, "0.9.2342.19200300.100.1.1"sv) \
_ENUM(UniqueMember, "2.5.4.50"sv) \
_ENUM(UserPassword, "2.5.4.35"sv) \
_ENUM(X121Address, "2.5.4.24"sv) \
_ENUM(X500UniqueIdentifier, "2.5.4.45"sv)
// NOTE: Type = A
// NOTE: This list is not exhaustive. If more members are needed, find them at the link below.
// https://www.iana.org/assignments/ldap-parameters/ldap-parameters.xhtml#ldap-parameters-3
enum class AttributeType {
__ENUM_ATTRIBUTE_TYPE
};
#undef _ENUM
constexpr static StringView enum_value(ObjectClass object_class)
{
#define _ENUM(key, value) \
case ObjectClass::key: \
return value;
switch (object_class) {
__ENUM_OBJECT_CLASS
}
return "Unknown"sv;
#undef _ENUM
#undef __ENUM_OBJECT_CLASS
}
constexpr static StringView enum_value(AttributeType object_class)
{
#define _ENUM(key, value) \
case AttributeType::key: \
return value;
switch (object_class) {
__ENUM_ATTRIBUTE_TYPE
}
return "Unknown"sv;
#undef _ENUM
#undef __ENUM_ATTRIBUTE_TYPE
}
struct AlgorithmIdentifier {
AlgorithmIdentifier()
{
}
explicit AlgorithmIdentifier(Vector<int, 9> identifier)
: identifier(identifier)
{
}
Vector<int, 9> identifier;
SupportedGroup ec_parameters {};
};
struct BasicConstraints {
bool is_certificate_authority;
Crypto::UnsignedBigInteger path_length_constraint;
};
class RelativeDistinguishedName {
public:
ErrorOr<String> to_string() const;
ErrorOr<AK::HashSetResult> set(String key, String value)
{
return m_members.try_set(move(key), move(value));
}
Optional<String> get(StringView key) const
{
return m_members.get(key);
}
Optional<String> get(AttributeType key) const
{
return m_members.get(enum_value(key));
}
Optional<String> get(ObjectClass key) const
{
return m_members.get(enum_value(key));
}
String common_name() const
{
auto entry = get(AttributeType::Cn);
if (entry.has_value()) {
return entry.value();
}
return String();
}
String organizational_unit() const
{
return get(AttributeType::Ou).value_or({});
}
private:
HashMap<String, String> m_members;
};
struct Validity {
UnixDateTime not_before;
UnixDateTime not_after;
};
class SubjectPublicKey {
public:
Crypto::PK::RSAPublicKey<Crypto::UnsignedBigInteger> rsa;
AlgorithmIdentifier algorithm;
ByteBuffer raw_key;
};
ErrorOr<SubjectPublicKey> parse_subject_public_key_info(Crypto::ASN1::Decoder& decoder, Vector<StringView> current_scope = {});
// https://www.rfc-editor.org/rfc/rfc5208#section-5
class PrivateKey {
public:
Crypto::PK::RSAPrivateKey<Crypto::UnsignedBigInteger> rsa;
AlgorithmIdentifier algorithm;
ByteBuffer raw_key;
// FIXME: attributes [0] IMPLICIT Attributes OPTIONAL
};
ErrorOr<PrivateKey> parse_private_key_info(Crypto::ASN1::Decoder& decoder, Vector<StringView> current_scope = {});
class Certificate {
public:
u16 version { 0 };
AlgorithmIdentifier algorithm;
SubjectPublicKey public_key;
ByteBuffer exponent {};
Crypto::PK::RSAPrivateKey<Crypto::UnsignedBigInteger> private_key {};
RelativeDistinguishedName issuer, subject;
Validity validity {};
Vector<String> SAN;
Vector<String> IAN;
u8* ocsp { nullptr };
Crypto::UnsignedBigInteger serial_number;
ByteBuffer sign_key {};
ByteBuffer fingerprint {};
ByteBuffer der {};
ByteBuffer data {};
AlgorithmIdentifier signature_algorithm;
ByteBuffer signature_value {};
ByteBuffer original_asn1 {};
ByteBuffer tbs_asn1 {};
bool is_allowed_to_sign_certificate { false };
bool is_certificate_authority { false };
Optional<size_t> path_length_constraint {};
bool is_self_issued { false };
static ErrorOr<Certificate> parse_certificate(ReadonlyBytes, bool client_cert = false);
bool is_self_signed();
bool is_valid() const;
private:
Optional<bool> m_is_self_signed;
};
class DefaultRootCACertificates {
public:
DefaultRootCACertificates();
Vector<Certificate> const& certificates() const { return m_ca_certificates; }
static ErrorOr<Vector<Certificate>> parse_pem_root_certificate_authorities(ByteBuffer&);
static ErrorOr<Vector<Certificate>> load_certificates(Span<ByteString> custom_cert_paths = {});
static DefaultRootCACertificates& the();
static void set_default_certificate_paths(Span<ByteString> paths);
private:
Vector<Certificate> m_ca_certificates;
};
}
using TLS::Certificate;
using TLS::DefaultRootCACertificates;
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