1 files changed, 168 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/dns/rcode.py b/.venv/lib/python3.12/site-packages/dns/rcode.py
new file mode 100644
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+++ b/.venv/lib/python3.12/site-packages/dns/rcode.py
@@ -0,0 +1,168 @@
+# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
+
+# Copyright (C) 2001-2017 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 Result Codes."""
+
+from typing import Tuple
+
+import dns.enum
+import dns.exception
+
+
+class Rcode(dns.enum.IntEnum):
+    #: No error
+    NOERROR = 0
+    #: Format error
+    FORMERR = 1
+    #: Server failure
+    SERVFAIL = 2
+    #: Name does not exist ("Name Error" in RFC 1025 terminology).
+    NXDOMAIN = 3
+    #: Not implemented
+    NOTIMP = 4
+    #: Refused
+    REFUSED = 5
+    #: Name exists.
+    YXDOMAIN = 6
+    #: RRset exists.
+    YXRRSET = 7
+    #: RRset does not exist.
+    NXRRSET = 8
+    #: Not authoritative.
+    NOTAUTH = 9
+    #: Name not in zone.
+    NOTZONE = 10
+    #: DSO-TYPE Not Implemented
+    DSOTYPENI = 11
+    #: Bad EDNS version.
+    BADVERS = 16
+    #: TSIG Signature Failure
+    BADSIG = 16
+    #: Key not recognized.
+    BADKEY = 17
+    #: Signature out of time window.
+    BADTIME = 18
+    #: Bad TKEY Mode.
+    BADMODE = 19
+    #: Duplicate key name.
+    BADNAME = 20
+    #: Algorithm not supported.
+    BADALG = 21
+    #: Bad Truncation
+    BADTRUNC = 22
+    #: Bad/missing Server Cookie
+    BADCOOKIE = 23
+
+    @classmethod
+    def _maximum(cls):
+        return 4095
+
+    @classmethod
+    def _unknown_exception_class(cls):
+        return UnknownRcode
+
+
+class UnknownRcode(dns.exception.DNSException):
+    """A DNS rcode is unknown."""
+
+
+def from_text(text: str) -> Rcode:
+    """Convert text into an rcode.
+
+    *text*, a ``str``, the textual rcode or an integer in textual form.
+
+    Raises ``dns.rcode.UnknownRcode`` if the rcode mnemonic is unknown.
+
+    Returns a ``dns.rcode.Rcode``.
+    """
+
+    return Rcode.from_text(text)
+
+
+def from_flags(flags: int, ednsflags: int) -> Rcode:
+    """Return the rcode value encoded by flags and ednsflags.
+
+    *flags*, an ``int``, the DNS flags field.
+
+    *ednsflags*, an ``int``, the EDNS flags field.
+
+    Raises ``ValueError`` if rcode is < 0 or > 4095
+
+    Returns a ``dns.rcode.Rcode``.
+    """
+
+    value = (flags & 0x000F) | ((ednsflags >> 20) & 0xFF0)
+    return Rcode.make(value)
+
+
+def to_flags(value: Rcode) -> Tuple[int, int]:
+    """Return a (flags, ednsflags) tuple which encodes the rcode.
+
+    *value*, a ``dns.rcode.Rcode``, the rcode.
+
+    Raises ``ValueError`` if rcode is < 0 or > 4095.
+
+    Returns an ``(int, int)`` tuple.
+    """
+
+    if value < 0 or value > 4095:
+        raise ValueError("rcode must be >= 0 and <= 4095")
+    v = value & 0xF
+    ev = (value & 0xFF0) << 20
+    return (v, ev)
+
+
+def to_text(value: Rcode, tsig: bool = False) -> str:
+    """Convert rcode into text.
+
+    *value*, a ``dns.rcode.Rcode``, the rcode.
+
+    Raises ``ValueError`` if rcode is < 0 or > 4095.
+
+    Returns a ``str``.
+    """
+
+    if tsig and value == Rcode.BADVERS:
+        return "BADSIG"
+    return Rcode.to_text(value)
+
+
+### BEGIN generated Rcode constants
+
+NOERROR = Rcode.NOERROR
+FORMERR = Rcode.FORMERR
+SERVFAIL = Rcode.SERVFAIL
+NXDOMAIN = Rcode.NXDOMAIN
+NOTIMP = Rcode.NOTIMP
+REFUSED = Rcode.REFUSED
+YXDOMAIN = Rcode.YXDOMAIN
+YXRRSET = Rcode.YXRRSET
+NXRRSET = Rcode.NXRRSET
+NOTAUTH = Rcode.NOTAUTH
+NOTZONE = Rcode.NOTZONE
+DSOTYPENI = Rcode.DSOTYPENI
+BADVERS = Rcode.BADVERS
+BADSIG = Rcode.BADSIG
+BADKEY = Rcode.BADKEY
+BADTIME = Rcode.BADTIME
+BADMODE = Rcode.BADMODE
+BADNAME = Rcode.BADNAME
+BADALG = Rcode.BADALG
+BADTRUNC = Rcode.BADTRUNC
+BADCOOKIE = Rcode.BADCOOKIE
+
+### END generated Rcode constants