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tool_server/.venv/lib/python3.12/site-packages/dns/dnssecalgs/__init__.py

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+from typing import Dict, Optional, Tuple, Type, Union
+
+import dns.name
+from dns.dnssecalgs.base import GenericPrivateKey
+from dns.dnssectypes import Algorithm
+from dns.exception import UnsupportedAlgorithm
+from dns.rdtypes.ANY.DNSKEY import DNSKEY
+
+if dns._features.have("dnssec"):
+    from dns.dnssecalgs.dsa import PrivateDSA, PrivateDSANSEC3SHA1
+    from dns.dnssecalgs.ecdsa import PrivateECDSAP256SHA256, PrivateECDSAP384SHA384
+    from dns.dnssecalgs.eddsa import PrivateED448, PrivateED25519
+    from dns.dnssecalgs.rsa import (
+        PrivateRSAMD5,
+        PrivateRSASHA1,
+        PrivateRSASHA1NSEC3SHA1,
+        PrivateRSASHA256,
+        PrivateRSASHA512,
+    )
+
+    _have_cryptography = True
+else:
+    _have_cryptography = False
+
+AlgorithmPrefix = Optional[Union[bytes, dns.name.Name]]
+
+algorithms: Dict[Tuple[Algorithm, AlgorithmPrefix], Type[GenericPrivateKey]] = {}
+if _have_cryptography:
+    # pylint: disable=possibly-used-before-assignment
+    algorithms.update(
+        {
+            (Algorithm.RSAMD5, None): PrivateRSAMD5,
+            (Algorithm.DSA, None): PrivateDSA,
+            (Algorithm.RSASHA1, None): PrivateRSASHA1,
+            (Algorithm.DSANSEC3SHA1, None): PrivateDSANSEC3SHA1,
+            (Algorithm.RSASHA1NSEC3SHA1, None): PrivateRSASHA1NSEC3SHA1,
+            (Algorithm.RSASHA256, None): PrivateRSASHA256,
+            (Algorithm.RSASHA512, None): PrivateRSASHA512,
+            (Algorithm.ECDSAP256SHA256, None): PrivateECDSAP256SHA256,
+            (Algorithm.ECDSAP384SHA384, None): PrivateECDSAP384SHA384,
+            (Algorithm.ED25519, None): PrivateED25519,
+            (Algorithm.ED448, None): PrivateED448,
+        }
+    )
+
+
+def get_algorithm_cls(
+    algorithm: Union[int, str], prefix: AlgorithmPrefix = None
+) -> Type[GenericPrivateKey]:
+    """Get Private Key class from Algorithm.
+
+    *algorithm*, a ``str`` or ``int`` specifying the DNSKEY algorithm.
+
+    Raises ``UnsupportedAlgorithm`` if the algorithm is unknown.
+
+    Returns a ``dns.dnssecalgs.GenericPrivateKey``
+    """
+    algorithm = Algorithm.make(algorithm)
+    cls = algorithms.get((algorithm, prefix))
+    if cls:
+        return cls
+    raise UnsupportedAlgorithm(
+        f'algorithm "{Algorithm.to_text(algorithm)}" not supported by dnspython'
+    )
+
+
+def get_algorithm_cls_from_dnskey(dnskey: DNSKEY) -> Type[GenericPrivateKey]:
+    """Get Private Key class from DNSKEY.
+
+    *dnskey*, a ``DNSKEY`` to get Algorithm class for.
+
+    Raises ``UnsupportedAlgorithm`` if the algorithm is unknown.
+
+    Returns a ``dns.dnssecalgs.GenericPrivateKey``
+    """
+    prefix: AlgorithmPrefix = None
+    if dnskey.algorithm == Algorithm.PRIVATEDNS:
+        prefix, _ = dns.name.from_wire(dnskey.key, 0)
+    elif dnskey.algorithm == Algorithm.PRIVATEOID:
+        length = int(dnskey.key[0])
+        prefix = dnskey.key[0 : length + 1]
+    return get_algorithm_cls(dnskey.algorithm, prefix)
+
+
+def register_algorithm_cls(
+    algorithm: Union[int, str],
+    algorithm_cls: Type[GenericPrivateKey],
+    name: Optional[Union[dns.name.Name, str]] = None,
+    oid: Optional[bytes] = None,
+) -> None:
+    """Register Algorithm Private Key class.
+
+    *algorithm*, a ``str`` or ``int`` specifying the DNSKEY algorithm.
+
+    *algorithm_cls*: A `GenericPrivateKey` class.
+
+    *name*, an optional ``dns.name.Name`` or ``str``, for for PRIVATEDNS algorithms.
+
+    *oid*: an optional BER-encoded `bytes` for PRIVATEOID algorithms.
+
+    Raises ``ValueError`` if a name or oid is specified incorrectly.
+    """
+    if not issubclass(algorithm_cls, GenericPrivateKey):
+        raise TypeError("Invalid algorithm class")
+    algorithm = Algorithm.make(algorithm)
+    prefix: AlgorithmPrefix = None
+    if algorithm == Algorithm.PRIVATEDNS:
+        if name is None:
+            raise ValueError("Name required for PRIVATEDNS algorithms")
+        if isinstance(name, str):
+            name = dns.name.from_text(name)
+        prefix = name
+    elif algorithm == Algorithm.PRIVATEOID:
+        if oid is None:
+            raise ValueError("OID required for PRIVATEOID algorithms")
+        prefix = bytes([len(oid)]) + oid
+    elif name:
+        raise ValueError("Name only supported for PRIVATEDNS algorithm")
+    elif oid:
+        raise ValueError("OID only supported for PRIVATEOID algorithm")
+    algorithms[(algorithm, prefix)] = algorithm_cls

tool_server/.venv/lib/python3.12/site-packages/dns/dnssecalgs/base.py

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+from abc import ABC, abstractmethod  # pylint: disable=no-name-in-module
+from typing import Any, Optional, Type
+
+import dns.rdataclass
+import dns.rdatatype
+from dns.dnssectypes import Algorithm
+from dns.exception import AlgorithmKeyMismatch
+from dns.rdtypes.ANY.DNSKEY import DNSKEY
+from dns.rdtypes.dnskeybase import Flag
+
+
+class GenericPublicKey(ABC):
+    algorithm: Algorithm
+
+    @abstractmethod
+    def __init__(self, key: Any) -> None:
+        pass
+
+    @abstractmethod
+    def verify(self, signature: bytes, data: bytes) -> None:
+        """Verify signed DNSSEC data"""
+
+    @abstractmethod
+    def encode_key_bytes(self) -> bytes:
+        """Encode key as bytes for DNSKEY"""
+
+    @classmethod
+    def _ensure_algorithm_key_combination(cls, key: DNSKEY) -> None:
+        if key.algorithm != cls.algorithm:
+            raise AlgorithmKeyMismatch
+
+    def to_dnskey(self, flags: int = Flag.ZONE, protocol: int = 3) -> DNSKEY:
+        """Return public key as DNSKEY"""
+        return DNSKEY(
+            rdclass=dns.rdataclass.IN,
+            rdtype=dns.rdatatype.DNSKEY,
+            flags=flags,
+            protocol=protocol,
+            algorithm=self.algorithm,
+            key=self.encode_key_bytes(),
+        )
+
+    @classmethod
+    @abstractmethod
+    def from_dnskey(cls, key: DNSKEY) -> "GenericPublicKey":
+        """Create public key from DNSKEY"""
+
+    @classmethod
+    @abstractmethod
+    def from_pem(cls, public_pem: bytes) -> "GenericPublicKey":
+        """Create public key from PEM-encoded SubjectPublicKeyInfo as specified
+        in RFC 5280"""
+
+    @abstractmethod
+    def to_pem(self) -> bytes:
+        """Return public-key as PEM-encoded SubjectPublicKeyInfo as specified
+        in RFC 5280"""
+
+
+class GenericPrivateKey(ABC):
+    public_cls: Type[GenericPublicKey]
+
+    @abstractmethod
+    def __init__(self, key: Any) -> None:
+        pass
+
+    @abstractmethod
+    def sign(
+        self,
+        data: bytes,
+        verify: bool = False,
+        deterministic: bool = True,
+    ) -> bytes:
+        """Sign DNSSEC data"""
+
+    @abstractmethod
+    def public_key(self) -> "GenericPublicKey":
+        """Return public key instance"""
+
+    @classmethod
+    @abstractmethod
+    def from_pem(
+        cls, private_pem: bytes, password: Optional[bytes] = None
+    ) -> "GenericPrivateKey":
+        """Create private key from PEM-encoded PKCS#8"""
+
+    @abstractmethod
+    def to_pem(self, password: Optional[bytes] = None) -> bytes:
+        """Return private key as PEM-encoded PKCS#8"""

tool_server/.venv/lib/python3.12/site-packages/dns/dnssecalgs/cryptography.py

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+from typing import Any, Optional, Type
+
+from cryptography.hazmat.primitives import serialization
+
+from dns.dnssecalgs.base import GenericPrivateKey, GenericPublicKey
+from dns.exception import AlgorithmKeyMismatch
+
+
+class CryptographyPublicKey(GenericPublicKey):
+    key: Any = None
+    key_cls: Any = None
+
+    def __init__(self, key: Any) -> None:  # pylint: disable=super-init-not-called
+        if self.key_cls is None:
+            raise TypeError("Undefined private key class")
+        if not isinstance(  # pylint: disable=isinstance-second-argument-not-valid-type
+            key, self.key_cls
+        ):
+            raise AlgorithmKeyMismatch
+        self.key = key
+
+    @classmethod
+    def from_pem(cls, public_pem: bytes) -> "GenericPublicKey":
+        key = serialization.load_pem_public_key(public_pem)
+        return cls(key=key)
+
+    def to_pem(self) -> bytes:
+        return self.key.public_bytes(
+            encoding=serialization.Encoding.PEM,
+            format=serialization.PublicFormat.SubjectPublicKeyInfo,
+        )
+
+
+class CryptographyPrivateKey(GenericPrivateKey):
+    key: Any = None
+    key_cls: Any = None
+    public_cls: Type[CryptographyPublicKey]
+
+    def __init__(self, key: Any) -> None:  # pylint: disable=super-init-not-called
+        if self.key_cls is None:
+            raise TypeError("Undefined private key class")
+        if not isinstance(  # pylint: disable=isinstance-second-argument-not-valid-type
+            key, self.key_cls
+        ):
+            raise AlgorithmKeyMismatch
+        self.key = key
+
+    def public_key(self) -> "CryptographyPublicKey":
+        return self.public_cls(key=self.key.public_key())
+
+    @classmethod
+    def from_pem(
+        cls, private_pem: bytes, password: Optional[bytes] = None
+    ) -> "GenericPrivateKey":
+        key = serialization.load_pem_private_key(private_pem, password=password)
+        return cls(key=key)
+
+    def to_pem(self, password: Optional[bytes] = None) -> bytes:
+        encryption_algorithm: serialization.KeySerializationEncryption
+        if password:
+            encryption_algorithm = serialization.BestAvailableEncryption(password)
+        else:
+            encryption_algorithm = serialization.NoEncryption()
+        return self.key.private_bytes(
+            encoding=serialization.Encoding.PEM,
+            format=serialization.PrivateFormat.PKCS8,
+            encryption_algorithm=encryption_algorithm,
+        )

tool_server/.venv/lib/python3.12/site-packages/dns/dnssecalgs/dsa.py

@@ -0,0 +1,106 @@
+import struct
+
+from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.primitives.asymmetric import dsa, utils
+
+from dns.dnssecalgs.cryptography import CryptographyPrivateKey, CryptographyPublicKey
+from dns.dnssectypes import Algorithm
+from dns.rdtypes.ANY.DNSKEY import DNSKEY
+
+
+class PublicDSA(CryptographyPublicKey):
+    key: dsa.DSAPublicKey
+    key_cls = dsa.DSAPublicKey
+    algorithm = Algorithm.DSA
+    chosen_hash = hashes.SHA1()
+
+    def verify(self, signature: bytes, data: bytes) -> None:
+        sig_r = signature[1:21]
+        sig_s = signature[21:]
+        sig = utils.encode_dss_signature(
+            int.from_bytes(sig_r, "big"), int.from_bytes(sig_s, "big")
+        )
+        self.key.verify(sig, data, self.chosen_hash)
+
+    def encode_key_bytes(self) -> bytes:
+        """Encode a public key per RFC 2536, section 2."""
+        pn = self.key.public_numbers()
+        dsa_t = (self.key.key_size // 8 - 64) // 8
+        if dsa_t > 8:
+            raise ValueError("unsupported DSA key size")
+        octets = 64 + dsa_t * 8
+        res = struct.pack("!B", dsa_t)
+        res += pn.parameter_numbers.q.to_bytes(20, "big")
+        res += pn.parameter_numbers.p.to_bytes(octets, "big")
+        res += pn.parameter_numbers.g.to_bytes(octets, "big")
+        res += pn.y.to_bytes(octets, "big")
+        return res
+
+    @classmethod
+    def from_dnskey(cls, key: DNSKEY) -> "PublicDSA":
+        cls._ensure_algorithm_key_combination(key)
+        keyptr = key.key
+        (t,) = struct.unpack("!B", keyptr[0:1])
+        keyptr = keyptr[1:]
+        octets = 64 + t * 8
+        dsa_q = keyptr[0:20]
+        keyptr = keyptr[20:]
+        dsa_p = keyptr[0:octets]
+        keyptr = keyptr[octets:]
+        dsa_g = keyptr[0:octets]
+        keyptr = keyptr[octets:]
+        dsa_y = keyptr[0:octets]
+        return cls(
+            key=dsa.DSAPublicNumbers(  # type: ignore
+                int.from_bytes(dsa_y, "big"),
+                dsa.DSAParameterNumbers(
+                    int.from_bytes(dsa_p, "big"),
+                    int.from_bytes(dsa_q, "big"),
+                    int.from_bytes(dsa_g, "big"),
+                ),
+            ).public_key(default_backend()),
+        )
+
+
+class PrivateDSA(CryptographyPrivateKey):
+    key: dsa.DSAPrivateKey
+    key_cls = dsa.DSAPrivateKey
+    public_cls = PublicDSA
+
+    def sign(
+        self,
+        data: bytes,
+        verify: bool = False,
+        deterministic: bool = True,
+    ) -> bytes:
+        """Sign using a private key per RFC 2536, section 3."""
+        public_dsa_key = self.key.public_key()
+        if public_dsa_key.key_size > 1024:
+            raise ValueError("DSA key size overflow")
+        der_signature = self.key.sign(data, self.public_cls.chosen_hash)
+        dsa_r, dsa_s = utils.decode_dss_signature(der_signature)
+        dsa_t = (public_dsa_key.key_size // 8 - 64) // 8
+        octets = 20
+        signature = (
+            struct.pack("!B", dsa_t)
+            + int.to_bytes(dsa_r, length=octets, byteorder="big")
+            + int.to_bytes(dsa_s, length=octets, byteorder="big")
+        )
+        if verify:
+            self.public_key().verify(signature, data)
+        return signature
+
+    @classmethod
+    def generate(cls, key_size: int) -> "PrivateDSA":
+        return cls(
+            key=dsa.generate_private_key(key_size=key_size),
+        )
+
+
+class PublicDSANSEC3SHA1(PublicDSA):
+    algorithm = Algorithm.DSANSEC3SHA1
+
+
+class PrivateDSANSEC3SHA1(PrivateDSA):
+    public_cls = PublicDSANSEC3SHA1

tool_server/.venv/lib/python3.12/site-packages/dns/dnssecalgs/ecdsa.py

@@ -0,0 +1,97 @@
+from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.primitives.asymmetric import ec, utils
+
+from dns.dnssecalgs.cryptography import CryptographyPrivateKey, CryptographyPublicKey
+from dns.dnssectypes import Algorithm
+from dns.rdtypes.ANY.DNSKEY import DNSKEY
+
+
+class PublicECDSA(CryptographyPublicKey):
+    key: ec.EllipticCurvePublicKey
+    key_cls = ec.EllipticCurvePublicKey
+    algorithm: Algorithm
+    chosen_hash: hashes.HashAlgorithm
+    curve: ec.EllipticCurve
+    octets: int
+
+    def verify(self, signature: bytes, data: bytes) -> None:
+        sig_r = signature[0 : self.octets]
+        sig_s = signature[self.octets :]
+        sig = utils.encode_dss_signature(
+            int.from_bytes(sig_r, "big"), int.from_bytes(sig_s, "big")
+        )
+        self.key.verify(sig, data, ec.ECDSA(self.chosen_hash))
+
+    def encode_key_bytes(self) -> bytes:
+        """Encode a public key per RFC 6605, section 4."""
+        pn = self.key.public_numbers()
+        return pn.x.to_bytes(self.octets, "big") + pn.y.to_bytes(self.octets, "big")
+
+    @classmethod
+    def from_dnskey(cls, key: DNSKEY) -> "PublicECDSA":
+        cls._ensure_algorithm_key_combination(key)
+        ecdsa_x = key.key[0 : cls.octets]
+        ecdsa_y = key.key[cls.octets : cls.octets * 2]
+        return cls(
+            key=ec.EllipticCurvePublicNumbers(
+                curve=cls.curve,
+                x=int.from_bytes(ecdsa_x, "big"),
+                y=int.from_bytes(ecdsa_y, "big"),
+            ).public_key(default_backend()),
+        )
+
+
+class PrivateECDSA(CryptographyPrivateKey):
+    key: ec.EllipticCurvePrivateKey
+    key_cls = ec.EllipticCurvePrivateKey
+    public_cls = PublicECDSA
+
+    def sign(
+        self,
+        data: bytes,
+        verify: bool = False,
+        deterministic: bool = True,
+    ) -> bytes:
+        """Sign using a private key per RFC 6605, section 4."""
+        algorithm = ec.ECDSA(
+            self.public_cls.chosen_hash, deterministic_signing=deterministic
+        )
+        der_signature = self.key.sign(data, algorithm)
+        dsa_r, dsa_s = utils.decode_dss_signature(der_signature)
+        signature = int.to_bytes(
+            dsa_r, length=self.public_cls.octets, byteorder="big"
+        ) + int.to_bytes(dsa_s, length=self.public_cls.octets, byteorder="big")
+        if verify:
+            self.public_key().verify(signature, data)
+        return signature
+
+    @classmethod
+    def generate(cls) -> "PrivateECDSA":
+        return cls(
+            key=ec.generate_private_key(
+                curve=cls.public_cls.curve, backend=default_backend()
+            ),
+        )
+
+
+class PublicECDSAP256SHA256(PublicECDSA):
+    algorithm = Algorithm.ECDSAP256SHA256
+    chosen_hash = hashes.SHA256()
+    curve = ec.SECP256R1()
+    octets = 32
+
+
+class PrivateECDSAP256SHA256(PrivateECDSA):
+    public_cls = PublicECDSAP256SHA256
+
+
+class PublicECDSAP384SHA384(PublicECDSA):
+    algorithm = Algorithm.ECDSAP384SHA384
+    chosen_hash = hashes.SHA384()
+    curve = ec.SECP384R1()
+    octets = 48
+
+
+class PrivateECDSAP384SHA384(PrivateECDSA):
+    public_cls = PublicECDSAP384SHA384

tool_server/.venv/lib/python3.12/site-packages/dns/dnssecalgs/eddsa.py

@@ -0,0 +1,70 @@
+from typing import Type
+
+from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.primitives.asymmetric import ed448, ed25519
+
+from dns.dnssecalgs.cryptography import CryptographyPrivateKey, CryptographyPublicKey
+from dns.dnssectypes import Algorithm
+from dns.rdtypes.ANY.DNSKEY import DNSKEY
+
+
+class PublicEDDSA(CryptographyPublicKey):
+    def verify(self, signature: bytes, data: bytes) -> None:
+        self.key.verify(signature, data)
+
+    def encode_key_bytes(self) -> bytes:
+        """Encode a public key per RFC 8080, section 3."""
+        return self.key.public_bytes(
+            encoding=serialization.Encoding.Raw, format=serialization.PublicFormat.Raw
+        )
+
+    @classmethod
+    def from_dnskey(cls, key: DNSKEY) -> "PublicEDDSA":
+        cls._ensure_algorithm_key_combination(key)
+        return cls(
+            key=cls.key_cls.from_public_bytes(key.key),
+        )
+
+
+class PrivateEDDSA(CryptographyPrivateKey):
+    public_cls: Type[PublicEDDSA]
+
+    def sign(
+        self,
+        data: bytes,
+        verify: bool = False,
+        deterministic: bool = True,
+    ) -> bytes:
+        """Sign using a private key per RFC 8080, section 4."""
+        signature = self.key.sign(data)
+        if verify:
+            self.public_key().verify(signature, data)
+        return signature
+
+    @classmethod
+    def generate(cls) -> "PrivateEDDSA":
+        return cls(key=cls.key_cls.generate())
+
+
+class PublicED25519(PublicEDDSA):
+    key: ed25519.Ed25519PublicKey
+    key_cls = ed25519.Ed25519PublicKey
+    algorithm = Algorithm.ED25519
+
+
+class PrivateED25519(PrivateEDDSA):
+    key: ed25519.Ed25519PrivateKey
+    key_cls = ed25519.Ed25519PrivateKey
+    public_cls = PublicED25519
+
+
+class PublicED448(PublicEDDSA):
+    key: ed448.Ed448PublicKey
+    key_cls = ed448.Ed448PublicKey
+    algorithm = Algorithm.ED448
+
+
+class PrivateED448(PrivateEDDSA):
+    key: ed448.Ed448PrivateKey
+    key_cls = ed448.Ed448PrivateKey
+    public_cls = PublicED448

tool_server/.venv/lib/python3.12/site-packages/dns/dnssecalgs/rsa.py

@@ -0,0 +1,124 @@
+import math
+import struct
+
+from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.primitives.asymmetric import padding, rsa
+
+from dns.dnssecalgs.cryptography import CryptographyPrivateKey, CryptographyPublicKey
+from dns.dnssectypes import Algorithm
+from dns.rdtypes.ANY.DNSKEY import DNSKEY
+
+
+class PublicRSA(CryptographyPublicKey):
+    key: rsa.RSAPublicKey
+    key_cls = rsa.RSAPublicKey
+    algorithm: Algorithm
+    chosen_hash: hashes.HashAlgorithm
+
+    def verify(self, signature: bytes, data: bytes) -> None:
+        self.key.verify(signature, data, padding.PKCS1v15(), self.chosen_hash)
+
+    def encode_key_bytes(self) -> bytes:
+        """Encode a public key per RFC 3110, section 2."""
+        pn = self.key.public_numbers()
+        _exp_len = math.ceil(int.bit_length(pn.e) / 8)
+        exp = int.to_bytes(pn.e, length=_exp_len, byteorder="big")
+        if _exp_len > 255:
+            exp_header = b"\0" + struct.pack("!H", _exp_len)
+        else:
+            exp_header = struct.pack("!B", _exp_len)
+        if pn.n.bit_length() < 512 or pn.n.bit_length() > 4096:
+            raise ValueError("unsupported RSA key length")
+        return exp_header + exp + pn.n.to_bytes((pn.n.bit_length() + 7) // 8, "big")
+
+    @classmethod
+    def from_dnskey(cls, key: DNSKEY) -> "PublicRSA":
+        cls._ensure_algorithm_key_combination(key)
+        keyptr = key.key
+        (bytes_,) = struct.unpack("!B", keyptr[0:1])
+        keyptr = keyptr[1:]
+        if bytes_ == 0:
+            (bytes_,) = struct.unpack("!H", keyptr[0:2])
+            keyptr = keyptr[2:]
+        rsa_e = keyptr[0:bytes_]
+        rsa_n = keyptr[bytes_:]
+        return cls(
+            key=rsa.RSAPublicNumbers(
+                int.from_bytes(rsa_e, "big"), int.from_bytes(rsa_n, "big")
+            ).public_key(default_backend())
+        )
+
+
+class PrivateRSA(CryptographyPrivateKey):
+    key: rsa.RSAPrivateKey
+    key_cls = rsa.RSAPrivateKey
+    public_cls = PublicRSA
+    default_public_exponent = 65537
+
+    def sign(
+        self,
+        data: bytes,
+        verify: bool = False,
+        deterministic: bool = True,
+    ) -> bytes:
+        """Sign using a private key per RFC 3110, section 3."""
+        signature = self.key.sign(data, padding.PKCS1v15(), self.public_cls.chosen_hash)
+        if verify:
+            self.public_key().verify(signature, data)
+        return signature
+
+    @classmethod
+    def generate(cls, key_size: int) -> "PrivateRSA":
+        return cls(
+            key=rsa.generate_private_key(
+                public_exponent=cls.default_public_exponent,
+                key_size=key_size,
+                backend=default_backend(),
+            )
+        )
+
+
+class PublicRSAMD5(PublicRSA):
+    algorithm = Algorithm.RSAMD5
+    chosen_hash = hashes.MD5()
+
+
+class PrivateRSAMD5(PrivateRSA):
+    public_cls = PublicRSAMD5
+
+
+class PublicRSASHA1(PublicRSA):
+    algorithm = Algorithm.RSASHA1
+    chosen_hash = hashes.SHA1()
+
+
+class PrivateRSASHA1(PrivateRSA):
+    public_cls = PublicRSASHA1
+
+
+class PublicRSASHA1NSEC3SHA1(PublicRSA):
+    algorithm = Algorithm.RSASHA1NSEC3SHA1
+    chosen_hash = hashes.SHA1()
+
+
+class PrivateRSASHA1NSEC3SHA1(PrivateRSA):
+    public_cls = PublicRSASHA1NSEC3SHA1
+
+
+class PublicRSASHA256(PublicRSA):
+    algorithm = Algorithm.RSASHA256
+    chosen_hash = hashes.SHA256()
+
+
+class PrivateRSASHA256(PrivateRSA):
+    public_cls = PublicRSASHA256
+
+
+class PublicRSASHA512(PublicRSA):
+    algorithm = Algorithm.RSASHA512
+    chosen_hash = hashes.SHA512()
+
+
+class PrivateRSASHA512(PrivateRSA):
+    public_cls = PublicRSASHA512

tool_server/.venv/lib/python3.12/site-packages/dns/quic/__init__.py

@@ -0,0 +1,80 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+from typing import List, Tuple
+
+import dns._features
+import dns.asyncbackend
+
+if dns._features.have("doq"):
+    import aioquic.quic.configuration  # type: ignore
+
+    from dns._asyncbackend import NullContext
+    from dns.quic._asyncio import (
+        AsyncioQuicConnection,
+        AsyncioQuicManager,
+        AsyncioQuicStream,
+    )
+    from dns.quic._common import AsyncQuicConnection, AsyncQuicManager
+    from dns.quic._sync import SyncQuicConnection, SyncQuicManager, SyncQuicStream
+
+    have_quic = True
+
+    def null_factory(
+        *args,  # pylint: disable=unused-argument
+        **kwargs,  # pylint: disable=unused-argument
+    ):
+        return NullContext(None)
+
+    def _asyncio_manager_factory(
+        context, *args, **kwargs  # pylint: disable=unused-argument
+    ):
+        return AsyncioQuicManager(*args, **kwargs)
+
+    # We have a context factory and a manager factory as for trio we need to have
+    # a nursery.
+
+    _async_factories = {"asyncio": (null_factory, _asyncio_manager_factory)}
+
+    if dns._features.have("trio"):
+        import trio
+
+        from dns.quic._trio import (  # pylint: disable=ungrouped-imports
+            TrioQuicConnection,
+            TrioQuicManager,
+            TrioQuicStream,
+        )
+
+        def _trio_context_factory():
+            return trio.open_nursery()
+
+        def _trio_manager_factory(context, *args, **kwargs):
+            return TrioQuicManager(context, *args, **kwargs)
+
+        _async_factories["trio"] = (_trio_context_factory, _trio_manager_factory)
+
+    def factories_for_backend(backend=None):
+        if backend is None:
+            backend = dns.asyncbackend.get_default_backend()
+        return _async_factories[backend.name()]
+
+else:  # pragma: no cover
+    have_quic = False
+
+    from typing import Any
+
+    class AsyncQuicStream:  # type: ignore
+        pass
+
+    class AsyncQuicConnection:  # type: ignore
+        async def make_stream(self) -> Any:
+            raise NotImplementedError
+
+    class SyncQuicStream:  # type: ignore
+        pass
+
+    class SyncQuicConnection:  # type: ignore
+        def make_stream(self) -> Any:
+            raise NotImplementedError
+
+
+Headers = List[Tuple[bytes, bytes]]

tool_server/.venv/lib/python3.12/site-packages/dns/quic/_asyncio.py

@@ -0,0 +1,267 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+import asyncio
+import socket
+import ssl
+import struct
+import time
+
+import aioquic.quic.configuration  # type: ignore
+import aioquic.quic.connection  # type: ignore
+import aioquic.quic.events  # type: ignore
+
+import dns.asyncbackend
+import dns.exception
+import dns.inet
+from dns.quic._common import (
+    QUIC_MAX_DATAGRAM,
+    AsyncQuicConnection,
+    AsyncQuicManager,
+    BaseQuicStream,
+    UnexpectedEOF,
+)
+
+
+class AsyncioQuicStream(BaseQuicStream):
+    def __init__(self, connection, stream_id):
+        super().__init__(connection, stream_id)
+        self._wake_up = asyncio.Condition()
+
+    async def _wait_for_wake_up(self):
+        async with self._wake_up:
+            await self._wake_up.wait()
+
+    async def wait_for(self, amount, expiration):
+        while True:
+            timeout = self._timeout_from_expiration(expiration)
+            if self._buffer.have(amount):
+                return
+            self._expecting = amount
+            try:
+                await asyncio.wait_for(self._wait_for_wake_up(), timeout)
+            except TimeoutError:
+                raise dns.exception.Timeout
+            self._expecting = 0
+
+    async def wait_for_end(self, expiration):
+        while True:
+            timeout = self._timeout_from_expiration(expiration)
+            if self._buffer.seen_end():
+                return
+            try:
+                await asyncio.wait_for(self._wait_for_wake_up(), timeout)
+            except TimeoutError:
+                raise dns.exception.Timeout
+
+    async def receive(self, timeout=None):
+        expiration = self._expiration_from_timeout(timeout)
+        if self._connection.is_h3():
+            await self.wait_for_end(expiration)
+            return self._buffer.get_all()
+        else:
+            await self.wait_for(2, expiration)
+            (size,) = struct.unpack("!H", self._buffer.get(2))
+            await self.wait_for(size, expiration)
+            return self._buffer.get(size)
+
+    async def send(self, datagram, is_end=False):
+        data = self._encapsulate(datagram)
+        await self._connection.write(self._stream_id, data, is_end)
+
+    async def _add_input(self, data, is_end):
+        if self._common_add_input(data, is_end):
+            async with self._wake_up:
+                self._wake_up.notify()
+
+    async def close(self):
+        self._close()
+
+    # Streams are async context managers
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb):
+        await self.close()
+        async with self._wake_up:
+            self._wake_up.notify()
+        return False
+
+
+class AsyncioQuicConnection(AsyncQuicConnection):
+    def __init__(self, connection, address, port, source, source_port, manager=None):
+        super().__init__(connection, address, port, source, source_port, manager)
+        self._socket = None
+        self._handshake_complete = asyncio.Event()
+        self._socket_created = asyncio.Event()
+        self._wake_timer = asyncio.Condition()
+        self._receiver_task = None
+        self._sender_task = None
+        self._wake_pending = False
+
+    async def _receiver(self):
+        try:
+            af = dns.inet.af_for_address(self._address)
+            backend = dns.asyncbackend.get_backend("asyncio")
+            # Note that peer is a low-level address tuple, but make_socket() wants
+            # a high-level address tuple, so we convert.
+            self._socket = await backend.make_socket(
+                af, socket.SOCK_DGRAM, 0, self._source, (self._peer[0], self._peer[1])
+            )
+            self._socket_created.set()
+            async with self._socket:
+                while not self._done:
+                    (datagram, address) = await self._socket.recvfrom(
+                        QUIC_MAX_DATAGRAM, None
+                    )
+                    if address[0] != self._peer[0] or address[1] != self._peer[1]:
+                        continue
+                    self._connection.receive_datagram(datagram, address, time.time())
+                    # Wake up the timer in case the sender is sleeping, as there may be
+                    # stuff to send now.
+                    await self._wakeup()
+        except Exception:
+            pass
+        finally:
+            self._done = True
+            await self._wakeup()
+            self._handshake_complete.set()
+
+    async def _wakeup(self):
+        self._wake_pending = True
+        async with self._wake_timer:
+            self._wake_timer.notify_all()
+
+    async def _wait_for_wake_timer(self):
+        async with self._wake_timer:
+            if not self._wake_pending:
+                await self._wake_timer.wait()
+        self._wake_pending = False
+
+    async def _sender(self):
+        await self._socket_created.wait()
+        while not self._done:
+            datagrams = self._connection.datagrams_to_send(time.time())
+            for datagram, address in datagrams:
+                assert address == self._peer
+                await self._socket.sendto(datagram, self._peer, None)
+            (expiration, interval) = self._get_timer_values()
+            try:
+                await asyncio.wait_for(self._wait_for_wake_timer(), interval)
+            except Exception:
+                pass
+            self._handle_timer(expiration)
+            await self._handle_events()
+
+    async def _handle_events(self):
+        count = 0
+        while True:
+            event = self._connection.next_event()
+            if event is None:
+                return
+            if isinstance(event, aioquic.quic.events.StreamDataReceived):
+                if self.is_h3():
+                    h3_events = self._h3_conn.handle_event(event)
+                    for h3_event in h3_events:
+                        if isinstance(h3_event, aioquic.h3.events.HeadersReceived):
+                            stream = self._streams.get(event.stream_id)
+                            if stream:
+                                if stream._headers is None:
+                                    stream._headers = h3_event.headers
+                                elif stream._trailers is None:
+                                    stream._trailers = h3_event.headers
+                                if h3_event.stream_ended:
+                                    await stream._add_input(b"", True)
+                        elif isinstance(h3_event, aioquic.h3.events.DataReceived):
+                            stream = self._streams.get(event.stream_id)
+                            if stream:
+                                await stream._add_input(
+                                    h3_event.data, h3_event.stream_ended
+                                )
+                else:
+                    stream = self._streams.get(event.stream_id)
+                    if stream:
+                        await stream._add_input(event.data, event.end_stream)
+            elif isinstance(event, aioquic.quic.events.HandshakeCompleted):
+                self._handshake_complete.set()
+            elif isinstance(event, aioquic.quic.events.ConnectionTerminated):
+                self._done = True
+                self._receiver_task.cancel()
+            elif isinstance(event, aioquic.quic.events.StreamReset):
+                stream = self._streams.get(event.stream_id)
+                if stream:
+                    await stream._add_input(b"", True)
+
+            count += 1
+            if count > 10:
+                # yield
+                count = 0
+                await asyncio.sleep(0)
+
+    async def write(self, stream, data, is_end=False):
+        self._connection.send_stream_data(stream, data, is_end)
+        await self._wakeup()
+
+    def run(self):
+        if self._closed:
+            return
+        self._receiver_task = asyncio.Task(self._receiver())
+        self._sender_task = asyncio.Task(self._sender())
+
+    async def make_stream(self, timeout=None):
+        try:
+            await asyncio.wait_for(self._handshake_complete.wait(), timeout)
+        except TimeoutError:
+            raise dns.exception.Timeout
+        if self._done:
+            raise UnexpectedEOF
+        stream_id = self._connection.get_next_available_stream_id(False)
+        stream = AsyncioQuicStream(self, stream_id)
+        self._streams[stream_id] = stream
+        return stream
+
+    async def close(self):
+        if not self._closed:
+            self._manager.closed(self._peer[0], self._peer[1])
+            self._closed = True
+            self._connection.close()
+            # sender might be blocked on this, so set it
+            self._socket_created.set()
+            await self._wakeup()
+            try:
+                await self._receiver_task
+            except asyncio.CancelledError:
+                pass
+            try:
+                await self._sender_task
+            except asyncio.CancelledError:
+                pass
+            await self._socket.close()
+
+
+class AsyncioQuicManager(AsyncQuicManager):
+    def __init__(
+        self, conf=None, verify_mode=ssl.CERT_REQUIRED, server_name=None, h3=False
+    ):
+        super().__init__(conf, verify_mode, AsyncioQuicConnection, server_name, h3)
+
+    def connect(
+        self, address, port=853, source=None, source_port=0, want_session_ticket=True
+    ):
+        (connection, start) = self._connect(
+            address, port, source, source_port, want_session_ticket
+        )
+        if start:
+            connection.run()
+        return connection
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb):
+        # Copy the iterator into a list as exiting things will mutate the connections
+        # table.
+        connections = list(self._connections.values())
+        for connection in connections:
+            await connection.close()
+        return False

tool_server/.venv/lib/python3.12/site-packages/dns/quic/_common.py

@@ -0,0 +1,339 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+import base64
+import copy
+import functools
+import socket
+import struct
+import time
+import urllib
+from typing import Any, Optional
+
+import aioquic.h3.connection  # type: ignore
+import aioquic.h3.events  # type: ignore
+import aioquic.quic.configuration  # type: ignore
+import aioquic.quic.connection  # type: ignore
+
+import dns.inet
+
+QUIC_MAX_DATAGRAM = 2048
+MAX_SESSION_TICKETS = 8
+# If we hit the max sessions limit we will delete this many of the oldest connections.
+# The value must be a integer > 0 and <= MAX_SESSION_TICKETS.
+SESSIONS_TO_DELETE = MAX_SESSION_TICKETS // 4
+
+
+class UnexpectedEOF(Exception):
+    pass
+
+
+class Buffer:
+    def __init__(self):
+        self._buffer = b""
+        self._seen_end = False
+
+    def put(self, data, is_end):
+        if self._seen_end:
+            return
+        self._buffer += data
+        if is_end:
+            self._seen_end = True
+
+    def have(self, amount):
+        if len(self._buffer) >= amount:
+            return True
+        if self._seen_end:
+            raise UnexpectedEOF
+        return False
+
+    def seen_end(self):
+        return self._seen_end
+
+    def get(self, amount):
+        assert self.have(amount)
+        data = self._buffer[:amount]
+        self._buffer = self._buffer[amount:]
+        return data
+
+    def get_all(self):
+        assert self.seen_end()
+        data = self._buffer
+        self._buffer = b""
+        return data
+
+
+class BaseQuicStream:
+    def __init__(self, connection, stream_id):
+        self._connection = connection
+        self._stream_id = stream_id
+        self._buffer = Buffer()
+        self._expecting = 0
+        self._headers = None
+        self._trailers = None
+
+    def id(self):
+        return self._stream_id
+
+    def headers(self):
+        return self._headers
+
+    def trailers(self):
+        return self._trailers
+
+    def _expiration_from_timeout(self, timeout):
+        if timeout is not None:
+            expiration = time.time() + timeout
+        else:
+            expiration = None
+        return expiration
+
+    def _timeout_from_expiration(self, expiration):
+        if expiration is not None:
+            timeout = max(expiration - time.time(), 0.0)
+        else:
+            timeout = None
+        return timeout
+
+    # Subclass must implement receive() as sync / async and which returns a message
+    # or raises.
+
+    # Subclass must implement send() as sync / async and which takes a message and
+    # an EOF indicator.
+
+    def send_h3(self, url, datagram, post=True):
+        if not self._connection.is_h3():
+            raise SyntaxError("cannot send H3 to a non-H3 connection")
+        url_parts = urllib.parse.urlparse(url)
+        path = url_parts.path.encode()
+        if post:
+            method = b"POST"
+        else:
+            method = b"GET"
+            path += b"?dns=" + base64.urlsafe_b64encode(datagram).rstrip(b"=")
+        headers = [
+            (b":method", method),
+            (b":scheme", url_parts.scheme.encode()),
+            (b":authority", url_parts.netloc.encode()),
+            (b":path", path),
+            (b"accept", b"application/dns-message"),
+        ]
+        if post:
+            headers.extend(
+                [
+                    (b"content-type", b"application/dns-message"),
+                    (b"content-length", str(len(datagram)).encode()),
+                ]
+            )
+        self._connection.send_headers(self._stream_id, headers, not post)
+        if post:
+            self._connection.send_data(self._stream_id, datagram, True)
+
+    def _encapsulate(self, datagram):
+        if self._connection.is_h3():
+            return datagram
+        l = len(datagram)
+        return struct.pack("!H", l) + datagram
+
+    def _common_add_input(self, data, is_end):
+        self._buffer.put(data, is_end)
+        try:
+            return (
+                self._expecting > 0 and self._buffer.have(self._expecting)
+            ) or self._buffer.seen_end
+        except UnexpectedEOF:
+            return True
+
+    def _close(self):
+        self._connection.close_stream(self._stream_id)
+        self._buffer.put(b"", True)  # send EOF in case we haven't seen it.
+
+
+class BaseQuicConnection:
+    def __init__(
+        self,
+        connection,
+        address,
+        port,
+        source=None,
+        source_port=0,
+        manager=None,
+    ):
+        self._done = False
+        self._connection = connection
+        self._address = address
+        self._port = port
+        self._closed = False
+        self._manager = manager
+        self._streams = {}
+        if manager.is_h3():
+            self._h3_conn = aioquic.h3.connection.H3Connection(connection, False)
+        else:
+            self._h3_conn = None
+        self._af = dns.inet.af_for_address(address)
+        self._peer = dns.inet.low_level_address_tuple((address, port))
+        if source is None and source_port != 0:
+            if self._af == socket.AF_INET:
+                source = "0.0.0.0"
+            elif self._af == socket.AF_INET6:
+                source = "::"
+            else:
+                raise NotImplementedError
+        if source:
+            self._source = (source, source_port)
+        else:
+            self._source = None
+
+    def is_h3(self):
+        return self._h3_conn is not None
+
+    def close_stream(self, stream_id):
+        del self._streams[stream_id]
+
+    def send_headers(self, stream_id, headers, is_end=False):
+        self._h3_conn.send_headers(stream_id, headers, is_end)
+
+    def send_data(self, stream_id, data, is_end=False):
+        self._h3_conn.send_data(stream_id, data, is_end)
+
+    def _get_timer_values(self, closed_is_special=True):
+        now = time.time()
+        expiration = self._connection.get_timer()
+        if expiration is None:
+            expiration = now + 3600  # arbitrary "big" value
+        interval = max(expiration - now, 0)
+        if self._closed and closed_is_special:
+            # lower sleep interval to avoid a race in the closing process
+            # which can lead to higher latency closing due to sleeping when
+            # we have events.
+            interval = min(interval, 0.05)
+        return (expiration, interval)
+
+    def _handle_timer(self, expiration):
+        now = time.time()
+        if expiration <= now:
+            self._connection.handle_timer(now)
+
+
+class AsyncQuicConnection(BaseQuicConnection):
+    async def make_stream(self, timeout: Optional[float] = None) -> Any:
+        pass
+
+
+class BaseQuicManager:
+    def __init__(
+        self, conf, verify_mode, connection_factory, server_name=None, h3=False
+    ):
+        self._connections = {}
+        self._connection_factory = connection_factory
+        self._session_tickets = {}
+        self._tokens = {}
+        self._h3 = h3
+        if conf is None:
+            verify_path = None
+            if isinstance(verify_mode, str):
+                verify_path = verify_mode
+                verify_mode = True
+            if h3:
+                alpn_protocols = ["h3"]
+            else:
+                alpn_protocols = ["doq", "doq-i03"]
+            conf = aioquic.quic.configuration.QuicConfiguration(
+                alpn_protocols=alpn_protocols,
+                verify_mode=verify_mode,
+                server_name=server_name,
+            )
+            if verify_path is not None:
+                conf.load_verify_locations(verify_path)
+        self._conf = conf
+
+    def _connect(
+        self,
+        address,
+        port=853,
+        source=None,
+        source_port=0,
+        want_session_ticket=True,
+        want_token=True,
+    ):
+        connection = self._connections.get((address, port))
+        if connection is not None:
+            return (connection, False)
+        conf = self._conf
+        if want_session_ticket:
+            try:
+                session_ticket = self._session_tickets.pop((address, port))
+                # We found a session ticket, so make a configuration that uses it.
+                conf = copy.copy(conf)
+                conf.session_ticket = session_ticket
+            except KeyError:
+                # No session ticket.
+                pass
+            # Whether or not we found a session ticket, we want a handler to save
+            # one.
+            session_ticket_handler = functools.partial(
+                self.save_session_ticket, address, port
+            )
+        else:
+            session_ticket_handler = None
+        if want_token:
+            try:
+                token = self._tokens.pop((address, port))
+                # We found a token, so make a configuration that uses it.
+                conf = copy.copy(conf)
+                conf.token = token
+            except KeyError:
+                # No token
+                pass
+            # Whether or not we found a token, we want a handler to save # one.
+            token_handler = functools.partial(self.save_token, address, port)
+        else:
+            token_handler = None
+
+        qconn = aioquic.quic.connection.QuicConnection(
+            configuration=conf,
+            session_ticket_handler=session_ticket_handler,
+            token_handler=token_handler,
+        )
+        lladdress = dns.inet.low_level_address_tuple((address, port))
+        qconn.connect(lladdress, time.time())
+        connection = self._connection_factory(
+            qconn, address, port, source, source_port, self
+        )
+        self._connections[(address, port)] = connection
+        return (connection, True)
+
+    def closed(self, address, port):
+        try:
+            del self._connections[(address, port)]
+        except KeyError:
+            pass
+
+    def is_h3(self):
+        return self._h3
+
+    def save_session_ticket(self, address, port, ticket):
+        # We rely on dictionaries keys() being in insertion order here.  We
+        # can't just popitem() as that would be LIFO which is the opposite of
+        # what we want.
+        l = len(self._session_tickets)
+        if l >= MAX_SESSION_TICKETS:
+            keys_to_delete = list(self._session_tickets.keys())[0:SESSIONS_TO_DELETE]
+            for key in keys_to_delete:
+                del self._session_tickets[key]
+        self._session_tickets[(address, port)] = ticket
+
+    def save_token(self, address, port, token):
+        # We rely on dictionaries keys() being in insertion order here.  We
+        # can't just popitem() as that would be LIFO which is the opposite of
+        # what we want.
+        l = len(self._tokens)
+        if l >= MAX_SESSION_TICKETS:
+            keys_to_delete = list(self._tokens.keys())[0:SESSIONS_TO_DELETE]
+            for key in keys_to_delete:
+                del self._tokens[key]
+        self._tokens[(address, port)] = token
+
+
+class AsyncQuicManager(BaseQuicManager):
+    def connect(self, address, port=853, source=None, source_port=0):
+        raise NotImplementedError

tool_server/.venv/lib/python3.12/site-packages/dns/quic/_sync.py

@@ -0,0 +1,295 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+import selectors
+import socket
+import ssl
+import struct
+import threading
+import time
+
+import aioquic.quic.configuration  # type: ignore
+import aioquic.quic.connection  # type: ignore
+import aioquic.quic.events  # type: ignore
+
+import dns.exception
+import dns.inet
+from dns.quic._common import (
+    QUIC_MAX_DATAGRAM,
+    BaseQuicConnection,
+    BaseQuicManager,
+    BaseQuicStream,
+    UnexpectedEOF,
+)
+
+# Function used to create a socket.  Can be overridden if needed in special
+# situations.
+socket_factory = socket.socket
+
+
+class SyncQuicStream(BaseQuicStream):
+    def __init__(self, connection, stream_id):
+        super().__init__(connection, stream_id)
+        self._wake_up = threading.Condition()
+        self._lock = threading.Lock()
+
+    def wait_for(self, amount, expiration):
+        while True:
+            timeout = self._timeout_from_expiration(expiration)
+            with self._lock:
+                if self._buffer.have(amount):
+                    return
+                self._expecting = amount
+            with self._wake_up:
+                if not self._wake_up.wait(timeout):
+                    raise dns.exception.Timeout
+            self._expecting = 0
+
+    def wait_for_end(self, expiration):
+        while True:
+            timeout = self._timeout_from_expiration(expiration)
+            with self._lock:
+                if self._buffer.seen_end():
+                    return
+            with self._wake_up:
+                if not self._wake_up.wait(timeout):
+                    raise dns.exception.Timeout
+
+    def receive(self, timeout=None):
+        expiration = self._expiration_from_timeout(timeout)
+        if self._connection.is_h3():
+            self.wait_for_end(expiration)
+            with self._lock:
+                return self._buffer.get_all()
+        else:
+            self.wait_for(2, expiration)
+            with self._lock:
+                (size,) = struct.unpack("!H", self._buffer.get(2))
+            self.wait_for(size, expiration)
+            with self._lock:
+                return self._buffer.get(size)
+
+    def send(self, datagram, is_end=False):
+        data = self._encapsulate(datagram)
+        self._connection.write(self._stream_id, data, is_end)
+
+    def _add_input(self, data, is_end):
+        if self._common_add_input(data, is_end):
+            with self._wake_up:
+                self._wake_up.notify()
+
+    def close(self):
+        with self._lock:
+            self._close()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.close()
+        with self._wake_up:
+            self._wake_up.notify()
+        return False
+
+
+class SyncQuicConnection(BaseQuicConnection):
+    def __init__(self, connection, address, port, source, source_port, manager):
+        super().__init__(connection, address, port, source, source_port, manager)
+        self._socket = socket_factory(self._af, socket.SOCK_DGRAM, 0)
+        if self._source is not None:
+            try:
+                self._socket.bind(
+                    dns.inet.low_level_address_tuple(self._source, self._af)
+                )
+            except Exception:
+                self._socket.close()
+                raise
+        self._socket.connect(self._peer)
+        (self._send_wakeup, self._receive_wakeup) = socket.socketpair()
+        self._receive_wakeup.setblocking(False)
+        self._socket.setblocking(False)
+        self._handshake_complete = threading.Event()
+        self._worker_thread = None
+        self._lock = threading.Lock()
+
+    def _read(self):
+        count = 0
+        while count < 10:
+            count += 1
+            try:
+                datagram = self._socket.recv(QUIC_MAX_DATAGRAM)
+            except BlockingIOError:
+                return
+            with self._lock:
+                self._connection.receive_datagram(datagram, self._peer, time.time())
+
+    def _drain_wakeup(self):
+        while True:
+            try:
+                self._receive_wakeup.recv(32)
+            except BlockingIOError:
+                return
+
+    def _worker(self):
+        try:
+            sel = selectors.DefaultSelector()
+            sel.register(self._socket, selectors.EVENT_READ, self._read)
+            sel.register(self._receive_wakeup, selectors.EVENT_READ, self._drain_wakeup)
+            while not self._done:
+                (expiration, interval) = self._get_timer_values(False)
+                items = sel.select(interval)
+                for key, _ in items:
+                    key.data()
+                with self._lock:
+                    self._handle_timer(expiration)
+                self._handle_events()
+                with self._lock:
+                    datagrams = self._connection.datagrams_to_send(time.time())
+                for datagram, _ in datagrams:
+                    try:
+                        self._socket.send(datagram)
+                    except BlockingIOError:
+                        # we let QUIC handle any lossage
+                        pass
+        finally:
+            with self._lock:
+                self._done = True
+            self._socket.close()
+            # Ensure anyone waiting for this gets woken up.
+            self._handshake_complete.set()
+
+    def _handle_events(self):
+        while True:
+            with self._lock:
+                event = self._connection.next_event()
+            if event is None:
+                return
+            if isinstance(event, aioquic.quic.events.StreamDataReceived):
+                if self.is_h3():
+                    h3_events = self._h3_conn.handle_event(event)
+                    for h3_event in h3_events:
+                        if isinstance(h3_event, aioquic.h3.events.HeadersReceived):
+                            with self._lock:
+                                stream = self._streams.get(event.stream_id)
+                            if stream:
+                                if stream._headers is None:
+                                    stream._headers = h3_event.headers
+                                elif stream._trailers is None:
+                                    stream._trailers = h3_event.headers
+                                if h3_event.stream_ended:
+                                    stream._add_input(b"", True)
+                        elif isinstance(h3_event, aioquic.h3.events.DataReceived):
+                            with self._lock:
+                                stream = self._streams.get(event.stream_id)
+                            if stream:
+                                stream._add_input(h3_event.data, h3_event.stream_ended)
+                else:
+                    with self._lock:
+                        stream = self._streams.get(event.stream_id)
+                    if stream:
+                        stream._add_input(event.data, event.end_stream)
+            elif isinstance(event, aioquic.quic.events.HandshakeCompleted):
+                self._handshake_complete.set()
+            elif isinstance(event, aioquic.quic.events.ConnectionTerminated):
+                with self._lock:
+                    self._done = True
+            elif isinstance(event, aioquic.quic.events.StreamReset):
+                with self._lock:
+                    stream = self._streams.get(event.stream_id)
+                if stream:
+                    stream._add_input(b"", True)
+
+    def write(self, stream, data, is_end=False):
+        with self._lock:
+            self._connection.send_stream_data(stream, data, is_end)
+        self._send_wakeup.send(b"\x01")
+
+    def send_headers(self, stream_id, headers, is_end=False):
+        with self._lock:
+            super().send_headers(stream_id, headers, is_end)
+        if is_end:
+            self._send_wakeup.send(b"\x01")
+
+    def send_data(self, stream_id, data, is_end=False):
+        with self._lock:
+            super().send_data(stream_id, data, is_end)
+        if is_end:
+            self._send_wakeup.send(b"\x01")
+
+    def run(self):
+        if self._closed:
+            return
+        self._worker_thread = threading.Thread(target=self._worker)
+        self._worker_thread.start()
+
+    def make_stream(self, timeout=None):
+        if not self._handshake_complete.wait(timeout):
+            raise dns.exception.Timeout
+        with self._lock:
+            if self._done:
+                raise UnexpectedEOF
+            stream_id = self._connection.get_next_available_stream_id(False)
+            stream = SyncQuicStream(self, stream_id)
+            self._streams[stream_id] = stream
+        return stream
+
+    def close_stream(self, stream_id):
+        with self._lock:
+            super().close_stream(stream_id)
+
+    def close(self):
+        with self._lock:
+            if self._closed:
+                return
+            self._manager.closed(self._peer[0], self._peer[1])
+            self._closed = True
+            self._connection.close()
+            self._send_wakeup.send(b"\x01")
+        self._worker_thread.join()
+
+
+class SyncQuicManager(BaseQuicManager):
+    def __init__(
+        self, conf=None, verify_mode=ssl.CERT_REQUIRED, server_name=None, h3=False
+    ):
+        super().__init__(conf, verify_mode, SyncQuicConnection, server_name, h3)
+        self._lock = threading.Lock()
+
+    def connect(
+        self,
+        address,
+        port=853,
+        source=None,
+        source_port=0,
+        want_session_ticket=True,
+        want_token=True,
+    ):
+        with self._lock:
+            (connection, start) = self._connect(
+                address, port, source, source_port, want_session_ticket, want_token
+            )
+            if start:
+                connection.run()
+            return connection
+
+    def closed(self, address, port):
+        with self._lock:
+            super().closed(address, port)
+
+    def save_session_ticket(self, address, port, ticket):
+        with self._lock:
+            super().save_session_ticket(address, port, ticket)
+
+    def save_token(self, address, port, token):
+        with self._lock:
+            super().save_token(address, port, token)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        # Copy the iterator into a list as exiting things will mutate the connections
+        # table.
+        connections = list(self._connections.values())
+        for connection in connections:
+            connection.close()
+        return False

tool_server/.venv/lib/python3.12/site-packages/dns/quic/_trio.py

@@ -0,0 +1,246 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+import socket
+import ssl
+import struct
+import time
+
+import aioquic.quic.configuration  # type: ignore
+import aioquic.quic.connection  # type: ignore
+import aioquic.quic.events  # type: ignore
+import trio
+
+import dns.exception
+import dns.inet
+from dns._asyncbackend import NullContext
+from dns.quic._common import (
+    QUIC_MAX_DATAGRAM,
+    AsyncQuicConnection,
+    AsyncQuicManager,
+    BaseQuicStream,
+    UnexpectedEOF,
+)
+
+
+class TrioQuicStream(BaseQuicStream):
+    def __init__(self, connection, stream_id):
+        super().__init__(connection, stream_id)
+        self._wake_up = trio.Condition()
+
+    async def wait_for(self, amount):
+        while True:
+            if self._buffer.have(amount):
+                return
+            self._expecting = amount
+            async with self._wake_up:
+                await self._wake_up.wait()
+            self._expecting = 0
+
+    async def wait_for_end(self):
+        while True:
+            if self._buffer.seen_end():
+                return
+            async with self._wake_up:
+                await self._wake_up.wait()
+
+    async def receive(self, timeout=None):
+        if timeout is None:
+            context = NullContext(None)
+        else:
+            context = trio.move_on_after(timeout)
+        with context:
+            if self._connection.is_h3():
+                await self.wait_for_end()
+                return self._buffer.get_all()
+            else:
+                await self.wait_for(2)
+                (size,) = struct.unpack("!H", self._buffer.get(2))
+                await self.wait_for(size)
+                return self._buffer.get(size)
+        raise dns.exception.Timeout
+
+    async def send(self, datagram, is_end=False):
+        data = self._encapsulate(datagram)
+        await self._connection.write(self._stream_id, data, is_end)
+
+    async def _add_input(self, data, is_end):
+        if self._common_add_input(data, is_end):
+            async with self._wake_up:
+                self._wake_up.notify()
+
+    async def close(self):
+        self._close()
+
+    # Streams are async context managers
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb):
+        await self.close()
+        async with self._wake_up:
+            self._wake_up.notify()
+        return False
+
+
+class TrioQuicConnection(AsyncQuicConnection):
+    def __init__(self, connection, address, port, source, source_port, manager=None):
+        super().__init__(connection, address, port, source, source_port, manager)
+        self._socket = trio.socket.socket(self._af, socket.SOCK_DGRAM, 0)
+        self._handshake_complete = trio.Event()
+        self._run_done = trio.Event()
+        self._worker_scope = None
+        self._send_pending = False
+
+    async def _worker(self):
+        try:
+            if self._source:
+                await self._socket.bind(
+                    dns.inet.low_level_address_tuple(self._source, self._af)
+                )
+            await self._socket.connect(self._peer)
+            while not self._done:
+                (expiration, interval) = self._get_timer_values(False)
+                if self._send_pending:
+                    # Do not block forever if sends are pending.  Even though we
+                    # have a wake-up mechanism if we've already started the blocking
+                    # read, the possibility of context switching in send means that
+                    # more writes can happen while we have no wake up context, so
+                    # we need self._send_pending to avoid (effectively) a "lost wakeup"
+                    # race.
+                    interval = 0.0
+                with trio.CancelScope(
+                    deadline=trio.current_time() + interval
+                ) as self._worker_scope:
+                    datagram = await self._socket.recv(QUIC_MAX_DATAGRAM)
+                    self._connection.receive_datagram(datagram, self._peer, time.time())
+                self._worker_scope = None
+                self._handle_timer(expiration)
+                await self._handle_events()
+                # We clear this now, before sending anything, as sending can cause
+                # context switches that do more sends.  We want to know if that
+                # happens so we don't block a long time on the recv() above.
+                self._send_pending = False
+                datagrams = self._connection.datagrams_to_send(time.time())
+                for datagram, _ in datagrams:
+                    await self._socket.send(datagram)
+        finally:
+            self._done = True
+            self._socket.close()
+            self._handshake_complete.set()
+
+    async def _handle_events(self):
+        count = 0
+        while True:
+            event = self._connection.next_event()
+            if event is None:
+                return
+            if isinstance(event, aioquic.quic.events.StreamDataReceived):
+                if self.is_h3():
+                    h3_events = self._h3_conn.handle_event(event)
+                    for h3_event in h3_events:
+                        if isinstance(h3_event, aioquic.h3.events.HeadersReceived):
+                            stream = self._streams.get(event.stream_id)
+                            if stream:
+                                if stream._headers is None:
+                                    stream._headers = h3_event.headers
+                                elif stream._trailers is None:
+                                    stream._trailers = h3_event.headers
+                                if h3_event.stream_ended:
+                                    await stream._add_input(b"", True)
+                        elif isinstance(h3_event, aioquic.h3.events.DataReceived):
+                            stream = self._streams.get(event.stream_id)
+                            if stream:
+                                await stream._add_input(
+                                    h3_event.data, h3_event.stream_ended
+                                )
+                else:
+                    stream = self._streams.get(event.stream_id)
+                    if stream:
+                        await stream._add_input(event.data, event.end_stream)
+            elif isinstance(event, aioquic.quic.events.HandshakeCompleted):
+                self._handshake_complete.set()
+            elif isinstance(event, aioquic.quic.events.ConnectionTerminated):
+                self._done = True
+                self._socket.close()
+            elif isinstance(event, aioquic.quic.events.StreamReset):
+                stream = self._streams.get(event.stream_id)
+                if stream:
+                    await stream._add_input(b"", True)
+            count += 1
+            if count > 10:
+                # yield
+                count = 0
+                await trio.sleep(0)
+
+    async def write(self, stream, data, is_end=False):
+        self._connection.send_stream_data(stream, data, is_end)
+        self._send_pending = True
+        if self._worker_scope is not None:
+            self._worker_scope.cancel()
+
+    async def run(self):
+        if self._closed:
+            return
+        async with trio.open_nursery() as nursery:
+            nursery.start_soon(self._worker)
+        self._run_done.set()
+
+    async def make_stream(self, timeout=None):
+        if timeout is None:
+            context = NullContext(None)
+        else:
+            context = trio.move_on_after(timeout)
+        with context:
+            await self._handshake_complete.wait()
+            if self._done:
+                raise UnexpectedEOF
+            stream_id = self._connection.get_next_available_stream_id(False)
+            stream = TrioQuicStream(self, stream_id)
+            self._streams[stream_id] = stream
+            return stream
+        raise dns.exception.Timeout
+
+    async def close(self):
+        if not self._closed:
+            self._manager.closed(self._peer[0], self._peer[1])
+            self._closed = True
+            self._connection.close()
+            self._send_pending = True
+            if self._worker_scope is not None:
+                self._worker_scope.cancel()
+            await self._run_done.wait()
+
+
+class TrioQuicManager(AsyncQuicManager):
+    def __init__(
+        self,
+        nursery,
+        conf=None,
+        verify_mode=ssl.CERT_REQUIRED,
+        server_name=None,
+        h3=False,
+    ):
+        super().__init__(conf, verify_mode, TrioQuicConnection, server_name, h3)
+        self._nursery = nursery
+
+    def connect(
+        self, address, port=853, source=None, source_port=0, want_session_ticket=True
+    ):
+        (connection, start) = self._connect(
+            address, port, source, source_port, want_session_ticket
+        )
+        if start:
+            self._nursery.start_soon(connection.run)
+        return connection
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb):
+        # Copy the iterator into a list as exiting things will mutate the connections
+        # table.
+        connections = list(self._connections.values())
+        for connection in connections:
+            await connection.close()
+        return False

tool_server/.venv/lib/python3.12/site-packages/dns/rdtypes/__init__.py

@@ -0,0 +1,33 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+"""DNS rdata type classes"""
+
+__all__ = [
+    "ANY",
+    "IN",
+    "CH",
+    "dnskeybase",
+    "dsbase",
+    "euibase",
+    "mxbase",
+    "nsbase",
+    "svcbbase",
+    "tlsabase",
+    "txtbase",
+    "util",
+]

tool_server/.venv/lib/python3.12/site-packages/dns/rdtypes/dnskeybase.py

@@ -0,0 +1,87 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import base64
+import enum
+import struct
+
+import dns.dnssectypes
+import dns.exception
+import dns.immutable
+import dns.rdata
+
+# wildcard import
+__all__ = ["SEP", "REVOKE", "ZONE"]  # noqa: F822
+
+
+class Flag(enum.IntFlag):
+    SEP = 0x0001
+    REVOKE = 0x0080
+    ZONE = 0x0100
+
+
+@dns.immutable.immutable
+class DNSKEYBase(dns.rdata.Rdata):
+    """Base class for rdata that is like a DNSKEY record"""
+
+    __slots__ = ["flags", "protocol", "algorithm", "key"]
+
+    def __init__(self, rdclass, rdtype, flags, protocol, algorithm, key):
+        super().__init__(rdclass, rdtype)
+        self.flags = Flag(self._as_uint16(flags))
+        self.protocol = self._as_uint8(protocol)
+        self.algorithm = dns.dnssectypes.Algorithm.make(algorithm)
+        self.key = self._as_bytes(key)
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        return "%d %d %d %s" % (
+            self.flags,
+            self.protocol,
+            self.algorithm,
+            dns.rdata._base64ify(self.key, **kw),
+        )
+
+    @classmethod
+    def from_text(
+        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
+    ):
+        flags = tok.get_uint16()
+        protocol = tok.get_uint8()
+        algorithm = tok.get_string()
+        b64 = tok.concatenate_remaining_identifiers().encode()
+        key = base64.b64decode(b64)
+        return cls(rdclass, rdtype, flags, protocol, algorithm, key)
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        header = struct.pack("!HBB", self.flags, self.protocol, self.algorithm)
+        file.write(header)
+        file.write(self.key)
+
+    @classmethod
+    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
+        header = parser.get_struct("!HBB")
+        key = parser.get_remaining()
+        return cls(rdclass, rdtype, header[0], header[1], header[2], key)
+
+
+### BEGIN generated Flag constants
+
+SEP = Flag.SEP
+REVOKE = Flag.REVOKE
+ZONE = Flag.ZONE
+
+### END generated Flag constants

tool_server/.venv/lib/python3.12/site-packages/dns/rdtypes/dsbase.py

@@ -0,0 +1,85 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+# Copyright (C) 2010, 2011 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import binascii
+import struct
+
+import dns.dnssectypes
+import dns.immutable
+import dns.rdata
+import dns.rdatatype
+
+
+@dns.immutable.immutable
+class DSBase(dns.rdata.Rdata):
+    """Base class for rdata that is like a DS record"""
+
+    __slots__ = ["key_tag", "algorithm", "digest_type", "digest"]
+
+    # Digest types registry:
+    # https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml
+    _digest_length_by_type = {
+        1: 20,  # SHA-1, RFC 3658 Sec. 2.4
+        2: 32,  # SHA-256, RFC 4509 Sec. 2.2
+        3: 32,  # GOST R 34.11-94, RFC 5933 Sec. 4 in conjunction with RFC 4490 Sec. 2.1
+        4: 48,  # SHA-384, RFC 6605 Sec. 2
+    }
+
+    def __init__(self, rdclass, rdtype, key_tag, algorithm, digest_type, digest):
+        super().__init__(rdclass, rdtype)
+        self.key_tag = self._as_uint16(key_tag)
+        self.algorithm = dns.dnssectypes.Algorithm.make(algorithm)
+        self.digest_type = dns.dnssectypes.DSDigest.make(self._as_uint8(digest_type))
+        self.digest = self._as_bytes(digest)
+        try:
+            if len(self.digest) != self._digest_length_by_type[self.digest_type]:
+                raise ValueError("digest length inconsistent with digest type")
+        except KeyError:
+            if self.digest_type == 0:  # reserved, RFC 3658 Sec. 2.4
+                raise ValueError("digest type 0 is reserved")
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        kw = kw.copy()
+        chunksize = kw.pop("chunksize", 128)
+        return "%d %d %d %s" % (
+            self.key_tag,
+            self.algorithm,
+            self.digest_type,
+            dns.rdata._hexify(self.digest, chunksize=chunksize, **kw),
+        )
+
+    @classmethod
+    def from_text(
+        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
+    ):
+        key_tag = tok.get_uint16()
+        algorithm = tok.get_string()
+        digest_type = tok.get_uint8()
+        digest = tok.concatenate_remaining_identifiers().encode()
+        digest = binascii.unhexlify(digest)
+        return cls(rdclass, rdtype, key_tag, algorithm, digest_type, digest)
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        header = struct.pack("!HBB", self.key_tag, self.algorithm, self.digest_type)
+        file.write(header)
+        file.write(self.digest)
+
+    @classmethod
+    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
+        header = parser.get_struct("!HBB")
+        digest = parser.get_remaining()
+        return cls(rdclass, rdtype, header[0], header[1], header[2], digest)

tool_server/.venv/lib/python3.12/site-packages/dns/rdtypes/euibase.py

@@ -0,0 +1,70 @@
+# Copyright (C) 2015 Red Hat, Inc.
+# Author: Petr Spacek <pspacek@redhat.com>
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import binascii
+
+import dns.immutable
+import dns.rdata
+
+
+@dns.immutable.immutable
+class EUIBase(dns.rdata.Rdata):
+    """EUIxx record"""
+
+    # see: rfc7043.txt
+
+    __slots__ = ["eui"]
+    # define these in subclasses
+    # byte_len = 6  # 0123456789ab (in hex)
+    # text_len = byte_len * 3 - 1  # 01-23-45-67-89-ab
+
+    def __init__(self, rdclass, rdtype, eui):
+        super().__init__(rdclass, rdtype)
+        self.eui = self._as_bytes(eui)
+        if len(self.eui) != self.byte_len:
+            raise dns.exception.FormError(
+                f"EUI{self.byte_len * 8} rdata has to have {self.byte_len} bytes"
+            )
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        return dns.rdata._hexify(self.eui, chunksize=2, separator=b"-", **kw)
+
+    @classmethod
+    def from_text(
+        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
+    ):
+        text = tok.get_string()
+        if len(text) != cls.text_len:
+            raise dns.exception.SyntaxError(
+                f"Input text must have {cls.text_len} characters"
+            )
+        for i in range(2, cls.byte_len * 3 - 1, 3):
+            if text[i] != "-":
+                raise dns.exception.SyntaxError(f"Dash expected at position {i}")
+        text = text.replace("-", "")
+        try:
+            data = binascii.unhexlify(text.encode())
+        except (ValueError, TypeError) as ex:
+            raise dns.exception.SyntaxError(f"Hex decoding error: {str(ex)}")
+        return cls(rdclass, rdtype, data)
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        file.write(self.eui)
+
+    @classmethod
+    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
+        eui = parser.get_bytes(cls.byte_len)
+        return cls(rdclass, rdtype, eui)

tool_server/.venv/lib/python3.12/site-packages/dns/rdtypes/mxbase.py

@@ -0,0 +1,87 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+"""MX-like base classes."""
+
+import struct
+
+import dns.exception
+import dns.immutable
+import dns.name
+import dns.rdata
+import dns.rdtypes.util
+
+
+@dns.immutable.immutable
+class MXBase(dns.rdata.Rdata):
+    """Base class for rdata that is like an MX record."""
+
+    __slots__ = ["preference", "exchange"]
+
+    def __init__(self, rdclass, rdtype, preference, exchange):
+        super().__init__(rdclass, rdtype)
+        self.preference = self._as_uint16(preference)
+        self.exchange = self._as_name(exchange)
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        exchange = self.exchange.choose_relativity(origin, relativize)
+        return "%d %s" % (self.preference, exchange)
+
+    @classmethod
+    def from_text(
+        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
+    ):
+        preference = tok.get_uint16()
+        exchange = tok.get_name(origin, relativize, relativize_to)
+        return cls(rdclass, rdtype, preference, exchange)
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        pref = struct.pack("!H", self.preference)
+        file.write(pref)
+        self.exchange.to_wire(file, compress, origin, canonicalize)
+
+    @classmethod
+    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
+        preference = parser.get_uint16()
+        exchange = parser.get_name(origin)
+        return cls(rdclass, rdtype, preference, exchange)
+
+    def _processing_priority(self):
+        return self.preference
+
+    @classmethod
+    def _processing_order(cls, iterable):
+        return dns.rdtypes.util.priority_processing_order(iterable)
+
+
+@dns.immutable.immutable
+class UncompressedMX(MXBase):
+    """Base class for rdata that is like an MX record, but whose name
+    is not compressed when converted to DNS wire format, and whose
+    digestable form is not downcased."""
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        super()._to_wire(file, None, origin, False)
+
+
+@dns.immutable.immutable
+class UncompressedDowncasingMX(MXBase):
+    """Base class for rdata that is like an MX record, but whose name
+    is not compressed when convert to DNS wire format."""
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        super()._to_wire(file, None, origin, canonicalize)

tool_server/.venv/lib/python3.12/site-packages/dns/rdtypes/nsbase.py

@@ -0,0 +1,63 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+"""NS-like base classes."""
+
+import dns.exception
+import dns.immutable
+import dns.name
+import dns.rdata
+
+
+@dns.immutable.immutable
+class NSBase(dns.rdata.Rdata):
+    """Base class for rdata that is like an NS record."""
+
+    __slots__ = ["target"]
+
+    def __init__(self, rdclass, rdtype, target):
+        super().__init__(rdclass, rdtype)
+        self.target = self._as_name(target)
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        target = self.target.choose_relativity(origin, relativize)
+        return str(target)
+
+    @classmethod
+    def from_text(
+        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
+    ):
+        target = tok.get_name(origin, relativize, relativize_to)
+        return cls(rdclass, rdtype, target)
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        self.target.to_wire(file, compress, origin, canonicalize)
+
+    @classmethod
+    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
+        target = parser.get_name(origin)
+        return cls(rdclass, rdtype, target)
+
+
+@dns.immutable.immutable
+class UncompressedNS(NSBase):
+    """Base class for rdata that is like an NS record, but whose name
+    is not compressed when convert to DNS wire format, and whose
+    digestable form is not downcased."""
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        self.target.to_wire(file, None, origin, False)

tool_server/.venv/lib/python3.12/site-packages/dns/rdtypes/svcbbase.py

@@ -0,0 +1,585 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+import base64
+import enum
+import struct
+
+import dns.enum
+import dns.exception
+import dns.immutable
+import dns.ipv4
+import dns.ipv6
+import dns.name
+import dns.rdata
+import dns.rdtypes.util
+import dns.renderer
+import dns.tokenizer
+import dns.wire
+
+# Until there is an RFC, this module is experimental and may be changed in
+# incompatible ways.
+
+
+class UnknownParamKey(dns.exception.DNSException):
+    """Unknown SVCB ParamKey"""
+
+
+class ParamKey(dns.enum.IntEnum):
+    """SVCB ParamKey"""
+
+    MANDATORY = 0
+    ALPN = 1
+    NO_DEFAULT_ALPN = 2
+    PORT = 3
+    IPV4HINT = 4
+    ECH = 5
+    IPV6HINT = 6
+    DOHPATH = 7
+    OHTTP = 8
+
+    @classmethod
+    def _maximum(cls):
+        return 65535
+
+    @classmethod
+    def _short_name(cls):
+        return "SVCBParamKey"
+
+    @classmethod
+    def _prefix(cls):
+        return "KEY"
+
+    @classmethod
+    def _unknown_exception_class(cls):
+        return UnknownParamKey
+
+
+class Emptiness(enum.IntEnum):
+    NEVER = 0
+    ALWAYS = 1
+    ALLOWED = 2
+
+
+def _validate_key(key):
+    force_generic = False
+    if isinstance(key, bytes):
+        # We decode to latin-1 so we get 0-255 as valid and do NOT interpret
+        # UTF-8 sequences
+        key = key.decode("latin-1")
+    if isinstance(key, str):
+        if key.lower().startswith("key"):
+            force_generic = True
+            if key[3:].startswith("0") and len(key) != 4:
+                # key has leading zeros
+                raise ValueError("leading zeros in key")
+        key = key.replace("-", "_")
+    return (ParamKey.make(key), force_generic)
+
+
+def key_to_text(key):
+    return ParamKey.to_text(key).replace("_", "-").lower()
+
+
+# Like rdata escapify, but escapes ',' too.
+
+_escaped = b'",\\'
+
+
+def _escapify(qstring):
+    text = ""
+    for c in qstring:
+        if c in _escaped:
+            text += "\\" + chr(c)
+        elif c >= 0x20 and c < 0x7F:
+            text += chr(c)
+        else:
+            text += "\\%03d" % c
+    return text
+
+
+def _unescape(value):
+    if value == "":
+        return value
+    unescaped = b""
+    l = len(value)
+    i = 0
+    while i < l:
+        c = value[i]
+        i += 1
+        if c == "\\":
+            if i >= l:  # pragma: no cover   (can't happen via tokenizer get())
+                raise dns.exception.UnexpectedEnd
+            c = value[i]
+            i += 1
+            if c.isdigit():
+                if i >= l:
+                    raise dns.exception.UnexpectedEnd
+                c2 = value[i]
+                i += 1
+                if i >= l:
+                    raise dns.exception.UnexpectedEnd
+                c3 = value[i]
+                i += 1
+                if not (c2.isdigit() and c3.isdigit()):
+                    raise dns.exception.SyntaxError
+                codepoint = int(c) * 100 + int(c2) * 10 + int(c3)
+                if codepoint > 255:
+                    raise dns.exception.SyntaxError
+                unescaped += b"%c" % (codepoint)
+                continue
+        unescaped += c.encode()
+    return unescaped
+
+
+def _split(value):
+    l = len(value)
+    i = 0
+    items = []
+    unescaped = b""
+    while i < l:
+        c = value[i]
+        i += 1
+        if c == ord("\\"):
+            if i >= l:  # pragma: no cover   (can't happen via tokenizer get())
+                raise dns.exception.UnexpectedEnd
+            c = value[i]
+            i += 1
+            unescaped += b"%c" % (c)
+        elif c == ord(","):
+            items.append(unescaped)
+            unescaped = b""
+        else:
+            unescaped += b"%c" % (c)
+    items.append(unescaped)
+    return items
+
+
+@dns.immutable.immutable
+class Param:
+    """Abstract base class for SVCB parameters"""
+
+    @classmethod
+    def emptiness(cls):
+        return Emptiness.NEVER
+
+
+@dns.immutable.immutable
+class GenericParam(Param):
+    """Generic SVCB parameter"""
+
+    def __init__(self, value):
+        self.value = dns.rdata.Rdata._as_bytes(value, True)
+
+    @classmethod
+    def emptiness(cls):
+        return Emptiness.ALLOWED
+
+    @classmethod
+    def from_value(cls, value):
+        if value is None or len(value) == 0:
+            return None
+        else:
+            return cls(_unescape(value))
+
+    def to_text(self):
+        return '"' + dns.rdata._escapify(self.value) + '"'
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        value = parser.get_bytes(parser.remaining())
+        if len(value) == 0:
+            return None
+        else:
+            return cls(value)
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        file.write(self.value)
+
+
+@dns.immutable.immutable
+class MandatoryParam(Param):
+    def __init__(self, keys):
+        # check for duplicates
+        keys = sorted([_validate_key(key)[0] for key in keys])
+        prior_k = None
+        for k in keys:
+            if k == prior_k:
+                raise ValueError(f"duplicate key {k:d}")
+            prior_k = k
+            if k == ParamKey.MANDATORY:
+                raise ValueError("listed the mandatory key as mandatory")
+        self.keys = tuple(keys)
+
+    @classmethod
+    def from_value(cls, value):
+        keys = [k.encode() for k in value.split(",")]
+        return cls(keys)
+
+    def to_text(self):
+        return '"' + ",".join([key_to_text(key) for key in self.keys]) + '"'
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        keys = []
+        last_key = -1
+        while parser.remaining() > 0:
+            key = parser.get_uint16()
+            if key < last_key:
+                raise dns.exception.FormError("manadatory keys not ascending")
+            last_key = key
+            keys.append(key)
+        return cls(keys)
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        for key in self.keys:
+            file.write(struct.pack("!H", key))
+
+
+@dns.immutable.immutable
+class ALPNParam(Param):
+    def __init__(self, ids):
+        self.ids = dns.rdata.Rdata._as_tuple(
+            ids, lambda x: dns.rdata.Rdata._as_bytes(x, True, 255, False)
+        )
+
+    @classmethod
+    def from_value(cls, value):
+        return cls(_split(_unescape(value)))
+
+    def to_text(self):
+        value = ",".join([_escapify(id) for id in self.ids])
+        return '"' + dns.rdata._escapify(value.encode()) + '"'
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        ids = []
+        while parser.remaining() > 0:
+            id = parser.get_counted_bytes()
+            ids.append(id)
+        return cls(ids)
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        for id in self.ids:
+            file.write(struct.pack("!B", len(id)))
+            file.write(id)
+
+
+@dns.immutable.immutable
+class NoDefaultALPNParam(Param):
+    # We don't ever expect to instantiate this class, but we need
+    # a from_value() and a from_wire_parser(), so we just return None
+    # from the class methods when things are OK.
+
+    @classmethod
+    def emptiness(cls):
+        return Emptiness.ALWAYS
+
+    @classmethod
+    def from_value(cls, value):
+        if value is None or value == "":
+            return None
+        else:
+            raise ValueError("no-default-alpn with non-empty value")
+
+    def to_text(self):
+        raise NotImplementedError  # pragma: no cover
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        if parser.remaining() != 0:
+            raise dns.exception.FormError
+        return None
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        raise NotImplementedError  # pragma: no cover
+
+
+@dns.immutable.immutable
+class PortParam(Param):
+    def __init__(self, port):
+        self.port = dns.rdata.Rdata._as_uint16(port)
+
+    @classmethod
+    def from_value(cls, value):
+        value = int(value)
+        return cls(value)
+
+    def to_text(self):
+        return f'"{self.port}"'
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        port = parser.get_uint16()
+        return cls(port)
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        file.write(struct.pack("!H", self.port))
+
+
+@dns.immutable.immutable
+class IPv4HintParam(Param):
+    def __init__(self, addresses):
+        self.addresses = dns.rdata.Rdata._as_tuple(
+            addresses, dns.rdata.Rdata._as_ipv4_address
+        )
+
+    @classmethod
+    def from_value(cls, value):
+        addresses = value.split(",")
+        return cls(addresses)
+
+    def to_text(self):
+        return '"' + ",".join(self.addresses) + '"'
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        addresses = []
+        while parser.remaining() > 0:
+            ip = parser.get_bytes(4)
+            addresses.append(dns.ipv4.inet_ntoa(ip))
+        return cls(addresses)
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        for address in self.addresses:
+            file.write(dns.ipv4.inet_aton(address))
+
+
+@dns.immutable.immutable
+class IPv6HintParam(Param):
+    def __init__(self, addresses):
+        self.addresses = dns.rdata.Rdata._as_tuple(
+            addresses, dns.rdata.Rdata._as_ipv6_address
+        )
+
+    @classmethod
+    def from_value(cls, value):
+        addresses = value.split(",")
+        return cls(addresses)
+
+    def to_text(self):
+        return '"' + ",".join(self.addresses) + '"'
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        addresses = []
+        while parser.remaining() > 0:
+            ip = parser.get_bytes(16)
+            addresses.append(dns.ipv6.inet_ntoa(ip))
+        return cls(addresses)
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        for address in self.addresses:
+            file.write(dns.ipv6.inet_aton(address))
+
+
+@dns.immutable.immutable
+class ECHParam(Param):
+    def __init__(self, ech):
+        self.ech = dns.rdata.Rdata._as_bytes(ech, True)
+
+    @classmethod
+    def from_value(cls, value):
+        if "\\" in value:
+            raise ValueError("escape in ECH value")
+        value = base64.b64decode(value.encode())
+        return cls(value)
+
+    def to_text(self):
+        b64 = base64.b64encode(self.ech).decode("ascii")
+        return f'"{b64}"'
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        value = parser.get_bytes(parser.remaining())
+        return cls(value)
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        file.write(self.ech)
+
+
+@dns.immutable.immutable
+class OHTTPParam(Param):
+    # We don't ever expect to instantiate this class, but we need
+    # a from_value() and a from_wire_parser(), so we just return None
+    # from the class methods when things are OK.
+
+    @classmethod
+    def emptiness(cls):
+        return Emptiness.ALWAYS
+
+    @classmethod
+    def from_value(cls, value):
+        if value is None or value == "":
+            return None
+        else:
+            raise ValueError("ohttp with non-empty value")
+
+    def to_text(self):
+        raise NotImplementedError  # pragma: no cover
+
+    @classmethod
+    def from_wire_parser(cls, parser, origin=None):  # pylint: disable=W0613
+        if parser.remaining() != 0:
+            raise dns.exception.FormError
+        return None
+
+    def to_wire(self, file, origin=None):  # pylint: disable=W0613
+        raise NotImplementedError  # pragma: no cover
+
+
+_class_for_key = {
+    ParamKey.MANDATORY: MandatoryParam,
+    ParamKey.ALPN: ALPNParam,
+    ParamKey.NO_DEFAULT_ALPN: NoDefaultALPNParam,
+    ParamKey.PORT: PortParam,
+    ParamKey.IPV4HINT: IPv4HintParam,
+    ParamKey.ECH: ECHParam,
+    ParamKey.IPV6HINT: IPv6HintParam,
+    ParamKey.OHTTP: OHTTPParam,
+}
+
+
+def _validate_and_define(params, key, value):
+    (key, force_generic) = _validate_key(_unescape(key))
+    if key in params:
+        raise SyntaxError(f'duplicate key "{key:d}"')
+    cls = _class_for_key.get(key, GenericParam)
+    emptiness = cls.emptiness()
+    if value is None:
+        if emptiness == Emptiness.NEVER:
+            raise SyntaxError("value cannot be empty")
+        value = cls.from_value(value)
+    else:
+        if force_generic:
+            value = cls.from_wire_parser(dns.wire.Parser(_unescape(value)))
+        else:
+            value = cls.from_value(value)
+    params[key] = value
+
+
+@dns.immutable.immutable
+class SVCBBase(dns.rdata.Rdata):
+    """Base class for SVCB-like records"""
+
+    # see: draft-ietf-dnsop-svcb-https-11
+
+    __slots__ = ["priority", "target", "params"]
+
+    def __init__(self, rdclass, rdtype, priority, target, params):
+        super().__init__(rdclass, rdtype)
+        self.priority = self._as_uint16(priority)
+        self.target = self._as_name(target)
+        for k, v in params.items():
+            k = ParamKey.make(k)
+            if not isinstance(v, Param) and v is not None:
+                raise ValueError(f"{k:d} not a Param")
+        self.params = dns.immutable.Dict(params)
+        # Make sure any parameter listed as mandatory is present in the
+        # record.
+        mandatory = params.get(ParamKey.MANDATORY)
+        if mandatory:
+            for key in mandatory.keys:
+                # Note we have to say "not in" as we have None as a value
+                # so a get() and a not None test would be wrong.
+                if key not in params:
+                    raise ValueError(f"key {key:d} declared mandatory but not present")
+        # The no-default-alpn parameter requires the alpn parameter.
+        if ParamKey.NO_DEFAULT_ALPN in params:
+            if ParamKey.ALPN not in params:
+                raise ValueError("no-default-alpn present, but alpn missing")
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        target = self.target.choose_relativity(origin, relativize)
+        params = []
+        for key in sorted(self.params.keys()):
+            value = self.params[key]
+            if value is None:
+                params.append(key_to_text(key))
+            else:
+                kv = key_to_text(key) + "=" + value.to_text()
+                params.append(kv)
+        if len(params) > 0:
+            space = " "
+        else:
+            space = ""
+        return "%d %s%s%s" % (self.priority, target, space, " ".join(params))
+
+    @classmethod
+    def from_text(
+        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
+    ):
+        priority = tok.get_uint16()
+        target = tok.get_name(origin, relativize, relativize_to)
+        if priority == 0:
+            token = tok.get()
+            if not token.is_eol_or_eof():
+                raise SyntaxError("parameters in AliasMode")
+            tok.unget(token)
+        params = {}
+        while True:
+            token = tok.get()
+            if token.is_eol_or_eof():
+                tok.unget(token)
+                break
+            if token.ttype != dns.tokenizer.IDENTIFIER:
+                raise SyntaxError("parameter is not an identifier")
+            equals = token.value.find("=")
+            if equals == len(token.value) - 1:
+                # 'key=', so next token should be a quoted string without
+                # any intervening whitespace.
+                key = token.value[:-1]
+                token = tok.get(want_leading=True)
+                if token.ttype != dns.tokenizer.QUOTED_STRING:
+                    raise SyntaxError("whitespace after =")
+                value = token.value
+            elif equals > 0:
+                # key=value
+                key = token.value[:equals]
+                value = token.value[equals + 1 :]
+            elif equals == 0:
+                # =key
+                raise SyntaxError('parameter cannot start with "="')
+            else:
+                # key
+                key = token.value
+                value = None
+            _validate_and_define(params, key, value)
+        return cls(rdclass, rdtype, priority, target, params)
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        file.write(struct.pack("!H", self.priority))
+        self.target.to_wire(file, None, origin, False)
+        for key in sorted(self.params):
+            file.write(struct.pack("!H", key))
+            value = self.params[key]
+            with dns.renderer.prefixed_length(file, 2):
+                # Note that we're still writing a length of zero if the value is None
+                if value is not None:
+                    value.to_wire(file, origin)
+
+    @classmethod
+    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
+        priority = parser.get_uint16()
+        target = parser.get_name(origin)
+        if priority == 0 and parser.remaining() != 0:
+            raise dns.exception.FormError("parameters in AliasMode")
+        params = {}
+        prior_key = -1
+        while parser.remaining() > 0:
+            key = parser.get_uint16()
+            if key < prior_key:
+                raise dns.exception.FormError("keys not in order")
+            prior_key = key
+            vlen = parser.get_uint16()
+            pcls = _class_for_key.get(key, GenericParam)
+            with parser.restrict_to(vlen):
+                value = pcls.from_wire_parser(parser, origin)
+            params[key] = value
+        return cls(rdclass, rdtype, priority, target, params)
+
+    def _processing_priority(self):
+        return self.priority
+
+    @classmethod
+    def _processing_order(cls, iterable):
+        return dns.rdtypes.util.priority_processing_order(iterable)

tool_server/.venv/lib/python3.12/site-packages/dns/rdtypes/tlsabase.py

@@ -0,0 +1,71 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+# Copyright (C) 2005-2007, 2009-2011 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import binascii
+import struct
+
+import dns.immutable
+import dns.rdata
+import dns.rdatatype
+
+
+@dns.immutable.immutable
+class TLSABase(dns.rdata.Rdata):
+    """Base class for TLSA and SMIMEA records"""
+
+    # see: RFC 6698
+
+    __slots__ = ["usage", "selector", "mtype", "cert"]
+
+    def __init__(self, rdclass, rdtype, usage, selector, mtype, cert):
+        super().__init__(rdclass, rdtype)
+        self.usage = self._as_uint8(usage)
+        self.selector = self._as_uint8(selector)
+        self.mtype = self._as_uint8(mtype)
+        self.cert = self._as_bytes(cert)
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        kw = kw.copy()
+        chunksize = kw.pop("chunksize", 128)
+        return "%d %d %d %s" % (
+            self.usage,
+            self.selector,
+            self.mtype,
+            dns.rdata._hexify(self.cert, chunksize=chunksize, **kw),
+        )
+
+    @classmethod
+    def from_text(
+        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
+    ):
+        usage = tok.get_uint8()
+        selector = tok.get_uint8()
+        mtype = tok.get_uint8()
+        cert = tok.concatenate_remaining_identifiers().encode()
+        cert = binascii.unhexlify(cert)
+        return cls(rdclass, rdtype, usage, selector, mtype, cert)
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        header = struct.pack("!BBB", self.usage, self.selector, self.mtype)
+        file.write(header)
+        file.write(self.cert)
+
+    @classmethod
+    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
+        header = parser.get_struct("BBB")
+        cert = parser.get_remaining()
+        return cls(rdclass, rdtype, header[0], header[1], header[2], cert)