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use std::{
convert::TryFrom,
fmt::{Display, Formatter, Result as FmtResult},
};
use thiserror::Error;
pub const EXTENDED_DNS_ERROR_EXTRA_TEXT_ERROR: usize =
u16::MAX as usize - std::mem::size_of::<u16>();
try_from_enum_to_integer! {
#[repr(u16)]
/// The [Extended DNS Error Codes] field in the [Extended DNS Errors].
///
/// [type]: https://tools.ietf.org/html/rfc8914#section-5.2-3
/// [Extended DNS Errors]: crate::rr::edns::ExtendedDNSErrors
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum ExtendedDNSErrorCodes {
/// The [Other] type.
///
/// [Other]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-0-o
Other = 0,
/// The [Unsupported DNSKEY Algorithm] type.
///
/// [Unsupported DNSKEY Algorithm]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-1-u
UnsupportedDNSKEYAlgorithm = 1,
/// The [Unsupported DS Digest Type] type.
///
/// [Unsupported DS Digest Type]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-2-u
UnsupportedDSDigestType = 2,
/// The [Stale Answer] type.
///
/// [Stale Answer]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-3-s
StaleAnswer = 3,
/// The [Forged Answer] type.
///
/// [Forged Answer]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-4-f
ForgedAnswer = 4,
/// The [DNSSEC Indeterminate] type.
///
/// [DNSSEC Indeterminate]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-5-d
DNSSECIndeterminate = 5,
/// The [DNSSEC Bogus] type.
///
/// [DNSSEC Bogus]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-6-d
DNSSECBogus = 6,
/// The [Signature Expired] type.
///
/// [Signature Expired]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-7-s
SignatureExpired = 7,
/// The [Signature Not Yet Valid] type.
///
/// [Signature Not Yet Valid]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-8-s
SignatureNotYetValid = 8,
/// The [DNSKEY Missing] type.
///
/// [DNSKEY Missing]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-9-d
DNSKEYMissing = 9,
/// The [RRSIGs Missing] type.
///
/// [RRSIGs Missing]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-10-
RRSIGsMissing = 10,
/// The [No Zone Key Bit Set] type.
///
/// [No Zone Key Bit Set]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-11-
NoZoneKeyBitSet = 11,
/// The [NSEC Missing] type.
///
/// [NSEC Missing]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-12-
NSECMissing = 12,
/// The [Cached Error] type.
///
/// [Cached Error]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-13-
CachedError = 13,
/// The [Not Ready] type.
///
/// [Not Ready]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-14-
NotReady = 14,
/// The [Blocked] type.
///
/// [Blocked]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-15-
Blocked = 15,
/// The [Censored] type.
///
/// [Censored]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-16-
Censored = 16,
/// The [Filtered] type.
///
/// [Filtered]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-17-
Filtered = 17,
/// The [Prohibited] type.
///
/// [Prohibited]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-18-
Prohibited = 18,
/// The [Stale NXDOMAIN Answer] type.
///
/// [Stale NXDOMAIN Answer]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-19-
StaleNXDomainAnswer = 19,
/// The [Not Authoritative] type.
///
/// [Not Authoritative]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-20-
NotAuthoritative = 20,
/// The [Not Supported] type.
///
/// [Not Supported]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-21-
NotSupported = 21,
/// The [No Reachable Authority] type.
///
/// [No Reachable Authority]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-22-
NoReachableAuthority = 22,
/// The [Network Error] type.
///
/// [Network Error]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-23-
NetworkError = 23,
/// The [Invalid Data] type.
///
/// [Invalid Data]: https://datatracker.ietf.org/doc/html/rfc8914#name-extended-dns-error-code-24-
InvalidData = 24,
}
}
#[derive(Debug, PartialEq, Clone, Eq, Hash)]
pub struct ExtendedDNSErrorExtraText {
inner: String,
}
impl Display for ExtendedDNSErrorExtraText {
fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
write!(f, "{}", self.inner)
}
}
impl AsRef<str> for ExtendedDNSErrorExtraText {
fn as_ref(&self) -> &str {
&self.inner
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash, Error)]
pub enum ExtendedDNSErrorExtraTextError {
#[error("Text too big {0}")]
TooBig(usize),
}
impl TryFrom<&str> for ExtendedDNSErrorExtraText {
type Error = ExtendedDNSErrorExtraTextError;
fn try_from(text: &str) -> Result<Self, Self::Error> {
let len = text.len();
if len <= EXTENDED_DNS_ERROR_EXTRA_TEXT_ERROR {
Ok(ExtendedDNSErrorExtraText {
inner: text.to_owned(),
})
} else {
Err(ExtendedDNSErrorExtraTextError::TooBig(len))
}
}
}
impl TryFrom<String> for ExtendedDNSErrorExtraText {
type Error = ExtendedDNSErrorExtraTextError;
fn try_from(text: String) -> Result<Self, Self::Error> {
let len = text.len();
if len <= EXTENDED_DNS_ERROR_EXTRA_TEXT_ERROR {
Ok(ExtendedDNSErrorExtraText { inner: text })
} else {
Err(ExtendedDNSErrorExtraTextError::TooBig(len))
}
}
}
#[derive(Debug, PartialEq, Clone, Eq, Hash)]
pub struct ExtendedDNSErrors {
pub info_code: ExtendedDNSErrorCodes,
pub extra_text: ExtendedDNSErrorExtraText,
}
impl Display for ExtendedDNSErrors {
fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
write!(
f,
"Extended DNS Errors {} {}",
self.info_code, self.extra_text
)
}
}